{"id":11062,"date":"2026-02-04T23:07:04","date_gmt":"2026-02-04T12:07:04","guid":{"rendered":"https:\/\/interscale.com.au\/blog\/?p=11062"},"modified":"2026-07-23T15:56:14","modified_gmt":"2026-07-23T05:56:14","slug":"revit-parametric-family","status":"publish","type":"post","link":"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/","title":{"rendered":"Why Use Parametric Families in Revit? Benefits, Examples, and Best Practices"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Key_Takeaways\" >Key Takeaways<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#What_Makes_a_Revit_Family_%E2%80%9CParametric%E2%80%9D\" >What Makes a Revit Family &#8220;Parametric&#8221;?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Benefits_of_Using_Parametric_Families_in_Revit\" >Benefits of Using Parametric Families in Revit<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Model_Consistency\" >Model Consistency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Quick_Design_Changes\" >Quick Design Changes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Accurate_Quantity_Take-offs_and_Schedules\" >Accurate Quantity Take-offs and Schedules<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Comply_with_BIM_Standards\" >Comply with BIM Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Multi-disciplinary_Collaboration\" >Multi-disciplinary Collaboration<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Common_Examples_of_Parametric_Families\" >Common Examples of Parametric Families<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#How_to_Create_a_Parametric_Family_in_Revit\" >How to Create a Parametric Family in Revit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Why_Work_with_Experts_for_Parametric_Family_Creation\" >Why Work with Experts for Parametric Family Creation?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#Build_Smarter_with_Custom_Parametric_Revit_Families\" >Build Smarter with Custom Parametric Revit Families<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#What_is_the_Difference_Between_Parametric_and_Non-parametric_Families_in_Revit\" >What is the Difference Between Parametric and Non-parametric Families in Revit?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/#How_Many_Parameters_are_There_in_Revit\" >How Many Parameters are There in Revit?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<aside class=\"wp-block-group has-cyan-bluish-gray-background-color has-background is-layout-constrained wp-container-core-group-is-layout-823f331c wp-block-group-is-layout-constrained\" style=\"margin-top:0px;margin-bottom:50px;padding-top:40px;padding-right:40px;padding-bottom:40px;padding-left:40px\">\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Key Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In Revit, a family becomes parametric when reference planes, constraints, and labelled dimensions drive its geometry automatically.<\/li>\n\n\n\n<li>Parametric families update schedules, tags, and plans simultaneously, eliminating manual fixes after design changes.<\/li>\n\n\n\n<li>Shared parameters let architectural, structural, and MEP teams reference identical fields, reducing coordination clashes.<\/li>\n\n\n\n<li>Under ISO 19650, consistent naming and shared parameters in families support auditable BIM deliverables without retrofitting.<\/li>\n<\/ul>\n<\/aside>\n\n\n\n<p class=\"wp-block-paragraph\">Every design office has seen what happens when a model breaks close to an issue: a door shifts, a tag detaches, or the schedule shows missing data. The cause is often a family that was not built with clear parameters or constraints. A well-structured Revit parametric family is a practical defence against this.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These intelligent elements adapt to design changes while maintaining their core rules and data integrity. This guide explains the practical benefits and creation process for Australian architects and engineers. We will cover what makes a family truly parametric in practice and how to build one for reliable performance.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Makes_a_Revit_Family_%E2%80%9CParametric%E2%80%9D\"><\/span><strong>What Makes a Revit Family &#8220;Parametric&#8221;?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A family is considered parametric when its geometry is driven by a logical framework of rules. This framework is built with reference planes, constraints, and labelled dimensions inside the family editor. These rules define how the component reacts when you adjust its properties, such as width or height.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Think of it as embedding design intent directly into the component. Instead of redrawing an object to change its size, you simply input a new value, and the geometry updates automatically. This intelligent behaviour is the core of effective parametric modeling and is essential for working efficiently in <a href=\"https:\/\/interscale.com.au\/blog\/what-is-revit\/\">Revit<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Benefits_of_Using_Parametric_Families_in_Revit\"><\/span><strong>Benefits of Using Parametric Families in Revit<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Model_Consistency\"><\/span><strong>Model Consistency<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">When every door or duct fitting follows the same internal logic, your model stays coherent across sheets and disciplines. Changes propagate without manual overrides or hidden errors. This reduces the risk of mismatched elevations or missing tags during coordination.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consistent families also mean fewer \u201cwhy is this broken?\u201d moments during deadline crunches. Teams spend less time troubleshooting and more time delivering. Stability in the model directly protects your project timeline.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Design_Changes\"><\/span><strong>Quick Design Changes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Clients often request last-minute size adjustments or layout shifts. With parametric families, you update a single parameter and the whole element adapts without any redrawing required. If your teams manage multiple options, your teams know this capability is helpful.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You avoid the cascade of manual fixes that usually follow bulk edits. One change, one input, one result. That\u2019s how you keep pace without sacrificing quality.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Accurate_Quantity_Take-offs_and_Schedules\"><\/span><strong>Accurate Quantity Take-offs and Schedules<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Schedules reflect the data embedded in the model, but accuracy depends on well-structured families with correctly mapped parameters and fields. If your family parameters feed directly into shared or reporting fields, your door schedule or equipment list stays truthful. This eliminates the gap between drawings and quantities that often triggers RFIs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When parameters like \u201cFire Rating\u201d or \u201cMaterial Type\u201d are embedded early, schedules auto-populate with reliable data. Quantity surveyors and subcontractors trust the numbers because they come from the model.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comply_with_BIM_Standards\"><\/span><strong>Comply with BIM Standards<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In Australia, BIM workflows under ISO 19650 demand consistent and auditable data. Parametric families make this easier because they follow defined naming and shared parameters. They ensure your deliverables meet client or government requirements without retrofitting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As one of Australia companies in AEC industries, we believe parametric families support compliance workflows when paired with consistent naming, metadata, and documentation standards aligned to ISO 19650. That\u2019s why our clients who using office-wide parameter rules report fewer clashes during model validation<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Multi-disciplinary_Collaboration\"><\/span><strong>Multi-disciplinary Collaboration<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MEP, structural, and architectural teams all rely on the same model. The architect\u2019s family remains readable to structural and MEP teams. Shared parameters let everyone reference the same field when tagging or scheduling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In practice, this means steady progress, avoiding correction cycles, and fewer coordination clashes. When each team works from the same data pattern, reviews move faster, which is one reason firms lean on structured <a href=\"https:\/\/interscale.com.au\/blog\/revit-bim-services\/\">Revit BIM services<\/a> to keep multidisciplinary models aligned. Clear parameter logic also helps non-modellers, like project managers, extract meaningful insights.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Examples_of_Parametric_Families\"><\/span><strong>Common Examples of Parametric Families<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You likely interact with parametric behaviour constantly in Revit, even if you do not build the families yourself. Common components like doors, windows, and joinery rely on this logic to function efficiently. The same logic extends to planting content, where parametric <a href=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/\" data-type=\"link\" data-id=\"https:\/\/interscale.com.au\/blog\/revit-parametric-family\/\">Revit tree families<\/a> let height, spread, and canopy shape adjust without rebuilding the geometry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consider a sliding door that adjusts width while maintaining panel proportions. This is a classic case. Its reference planes control jambs, tracks, and glass divisions, all tied to a single \u201cWidth\u201d parameter. Change the type, tags, plans, and schedules update together.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This same principle applies to windows with adaptable mullions. The family uses formulas to divide the opening evenly, ensuring symmetry without manual sketch edits. This prevents visual clutter and documentation drift.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Parametric logic is also crucial for joinery, such as modular cabinetry. The external carcass can scale in size while preserving fixed internal clearances for hardware. The carcass grows, but shelves and doors stay correctly positioned. That\u2019s precision you can build on.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Create_a_Parametric_Family_in_Revit\"><\/span><strong>How to Create a Parametric Family in Revit<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Building a stable family begins with establishing a logical skeleton of reference planes before any 3D geometry is modelled. However, before you start, sketching out the family&#8217;s intended behaviour on paper is helpful. Decide which dimensions need to be flexible (instance parameters) and which should be fixed for each type (type parameters).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This short tutorial defines the primary process of creating a Revit parametric family used in most offices:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start with the correct template: Choose the appropriate family template (e.g., Metric Door.rft) and confirm the component category is set correctly.<\/li>\n\n\n\n<li>Lay down and name reference planes: Place reference planes for key alignments like centre lines, edges, and symmetry axes. Give them clear, consistent names (e.g., \u201cLeft Jamb,\u201d \u201cCentreline\u201d). Then, lock or constrain them to preserve relationships as dimensions change.<\/li>\n\n\n\n<li>Add and label dimensions as parameters: Dimension between reference planes and convert those dimensions into parameters. Use type parameters for product-defining traits (like width or fire rating) and instance parameters for placement-specific values (like sill height).<\/li>\n\n\n\n<li>Model geometry locked to reference planes: Create extrusions, sweeps, or blends by sketching directly onto named reference planes. Never leave geometry floating. Please, every sketch line should be constrained to a plane to ensure predictable behaviour during edits.<\/li>\n\n\n\n<li>Apply formulas and test extreme values: Use formulas only where needed. For example, divide the width evenly among panels. Then test your family at minimum and maximum sizes (e.g., 500mm and 3000mm) to catch instability.<\/li>\n\n\n\n<li>Configure visibility and level of detail: Assign 2D symbolic lines (like plan representation) to the correct visibility settings. So they appear in plan, elevation, or section as needed. 3D geometry shows by default, but 2D linework must be explicitly assigned to avoid missing tags or phantom elements.<\/li>\n\n\n\n<li>Add shared parameters for cross-family consistency: Insert shared parameters like \u201cManufacturer,\u201d \u201cAsset ID,\u201d or \u201cWarranty Period\u201d if your office uses them for scheduling. These fields enhance consistency across projects, especially for asset tracking and FM integration. However, their inclusion should follow your team\u2019s protocols and project-specific requirements. And not every family needs them.<\/li>\n\n\n\n<li>Run a publish checklist before release: Flex every type, load the family into a test project. Verify that tags and schedules update correctly. Check visibility at common scales like 1:50 and 1:100. Only publish families that pass all these checks because this final step prevents downstream chaos.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Work_with_Experts_for_Parametric_Family_Creation\"><\/span><strong>Why Work with Experts for Parametric Family Creation?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">At Interscale, we see many firms push their Revit families further than they were designed to go. Complex assemblies, like louvre systems, fa\u00e7ade panels, or adaptive furniture, often carry nested parameters and visibility logic that strain standard templates. Without deep Revit experience, these families can behave unpredictably once they\u2019re in a live project.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our team builds Revit parametric families with the same discipline used in documentation standards and BIM governance. Each family follows clean parameter mapping, predictable visibility, and consistent naming across categories.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your firm is ready to scale your BIM output, our <a href=\"https:\/\/interscale.com.au\/services\/bim-services\/revit-family-creation\/\" data-type=\"link\" data-id=\"https:\/\/interscale.com.au\/services\/bim-services\/revit-family-creation\/\">Revit family creation services <\/a>provide a quality-controlled process shaped for Australian AEC delivery. We focus on parameter governance and data reliability rather than only visual geometry.<\/p>\n\n\n\n<div class=\"wp-block-group has-background is-layout-constrained wp-container-core-group-is-layout-2aa326f1 wp-block-group-is-layout-constrained\" style=\"background-color:#ff9100;margin-top:50px;margin-bottom:43;padding-top:60px;padding-right:60px;padding-bottom:60px;padding-left:60px\">\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-c8633fcefecedf20afe14896bf487678\"><span class=\"ez-toc-section\" id=\"Build_Smarter_with_Custom_Parametric_Revit_Families\"><\/span>Build Smarter with Custom Parametric Revit Families<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-black-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/interscale.com.au\/services\/bim-services\/revit-family-creation\/\">Explore Revit Family Creation<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span><strong>FAQ<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-aab-accordion-block aab__accordion_container  accessibilityOn\" style=\"margin-top:0px;margin-bottom:15px;border:1px solid #bcb6b638\" id=\"aab_accordion_76f94428_0\" role=\"button\" aria-expanded=\"false\" tabindex=\"0\"><div class=\"aab__accordion_head aab_right_icon \" style=\"background-color:#bcb6b638;border-top:none;border-right:none;border-bottom:none;border-left:none\"><div class=\"aab__accordion_heading aab_right_icon aab_right_link\"><div class=\"head_content_wrapper\"><div class=\"title_wrapper\"><h3 class=\"aab__accordion_title\" style=\"margin:0\"><span class=\"ez-toc-section\" id=\"What_is_the_Difference_Between_Parametric_and_Non-parametric_Families_in_Revit\"><\/span><strong>What is the Difference Between Parametric and Non-parametric Families in Revit?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/div><\/div><\/div><div class=\"aab__accordion_icon\" style=\"border:0px solid transparent\"><span class=\"aab__icon dashicons dashicons-plus-alt2\" style=\"font-size:23px\"><\/span><\/div><\/div><div class=\"aab__accordion_body  \" role=\"region\" style=\"display:none;border-top:1px solid #bcb6b638;border-right:none;border-bottom:none;border-left:none\"><div class=\"aab__accordion_component\">\n<p class=\"wp-block-paragraph\">The key difference between parametric and non-parametric families in Revit is the flexibility. Non-parametric families are static, which means they don\u2019t change when you adjust a value. In contrast, the parametric families use reference planes, constraints, and labelled dimensions to respond intelligently to edits.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-aab-accordion-block aab__accordion_container  accessibilityOn\" style=\"margin-top:0px;margin-bottom:15px;border:1px solid #bcb6b638\" id=\"aab_accordion_76f94428_0\" role=\"button\" aria-expanded=\"false\" tabindex=\"0\"><div class=\"aab__accordion_head aab_right_icon \" style=\"background-color:#bcb6b638;border-top:none;border-right:none;border-bottom:none;border-left:none\"><div class=\"aab__accordion_heading aab_right_icon aab_right_link\"><div class=\"head_content_wrapper\"><div class=\"title_wrapper\"><h3 class=\"aab__accordion_title\" style=\"margin:0\"><span class=\"ez-toc-section\" id=\"How_Many_Parameters_are_There_in_Revit\"><\/span><strong>How Many Parameters are There in Revit?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/div><\/div><\/div><div class=\"aab__accordion_icon\" style=\"border:0px solid transparent\"><span class=\"aab__icon dashicons dashicons-plus-alt2\" style=\"font-size:23px\"><\/span><\/div><\/div><div class=\"aab__accordion_body  \" role=\"region\" style=\"display:none;border-top:1px solid #bcb6b638;border-right:none;border-bottom:none;border-left:none\"><div class=\"aab__accordion_component\">\n<p class=\"wp-block-paragraph\">Revit supports two main kinds: type and instance. Beyond that, you can create projects, family, or shared parameters. Shared parameters, which stored in an external text file, are key for consistent scheduling across multiple families and projects.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Every design office has seen what happens when a model breaks close to an issue: a door shifts, a tag detaches, or the schedule shows missing data. The cause is often a family that was not built with clear parameters or constraints. A well-structured Revit parametric family is a practical defence against this. [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":9380,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[871],"tags":[],"class_list":["post-11062","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bim"],"acf":[],"_links":{"self":[{"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/posts\/11062","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/comments?post=11062"}],"version-history":[{"count":3,"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/posts\/11062\/revisions"}],"predecessor-version":[{"id":13225,"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/posts\/11062\/revisions\/13225"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/media\/9380"}],"wp:attachment":[{"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/media?parent=11062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/categories?post=11062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interscale.com.au\/blog\/wp-json\/wp\/v2\/tags?post=11062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}