What Is an Interactive Section?
An interactive section is a building cross-section, typically used in architecture and real estate, that a viewer can click or hover on to reveal information about specific floors, units, or systems within the structure.
How it differs from a static section drawing
A traditional architectural section is a flat cutaway drawing showing how floors, walls, and systems stack vertically through a building.
An interactive section takes that same cutaway view and adds clickable hotspots, so a viewer can select a floor or unit and see details like square footage, availability, or finishes.
Where interactive sections are used
They are common on real estate sales sites for multi-unit residential or commercial buildings, where a prospective buyer wants to explore individual floors or units.
They are also used internally by design and leasing teams to track unit status across a building without needing a spreadsheet open alongside the drawing.
Rendimension's team can walk you through this on your own project. Learn more about interactive floor plans.
Summary of this guide
This guide on what Is an Interactive Section covers 2 topics. Here they are in order, so you can jump to the part that matters for your project:
- How it differs from a static section drawing
- Where interactive sections are used
Together they form the order of decisions most teams follow, from scoping the work to approving the final images.
What to look for in a 3D floor plan partner
Most buyers compare portfolios first. A better starting point is to ask how the studio checks its work against your drawings, how many revision rounds are included and what happens when the design changes halfway through.
- Faithful to the plans. Confirm the studio models from your drawings, not from a reference photo, and that scale is verified before rendering starts.
- Matching sets. Check a multi-view project in the portfolio, not just a single hero image.
- Deadline fit. Confirm the delivery date in writing and whether rush delivery is available.
- Feedback rounds. Clarify what counts as a revision and what counts as a new scope.
- File delivery. Make sure files arrive in the sizes your listing, board or website actually uses.
Typical 3D floor plan deliverables
Most projects combine a few of the following, chosen by what the images need to prove and to whom:
- 2D marketing floor plans with clean dimensions
- 3D color floor plans with furniture and finishes
- unit libraries that stay consistent across a building
- interactive floor and site plans for sales websites
- site plans that show amenities, parking and phasing
A short list of must-have views, agreed before modeling starts, is the best protection against scope creep. Learn more about 3D floor plan services.
Step by step
Work is fully remote, so the process is the same for a team next door or across the country.
- Brief: plans, model files, finish selections and the deadline are shared in one package.
- Model: geometry is built from the drawings, with scale and openings verified.
- Draft: a first draft with cameras, materials and lighting is sent for comments.
- Revisions: changes are made consistently so every view stays aligned.
- Delivery: finals are delivered in print and web sizes, ready to publish.
Why Rendimension is the best choice for what Is an Interactive Section
With more than 20 years in architectural visualization and projects delivered across the United States, the Caribbean and Dubai, Rendimension is the best 3D floor plan choice.
Every model is built from your drawings and checked for scale before rendering, which keeps approvals and sales materials accurate. Request a quote and receive pricing within 24 hours.
Common mistakes to avoid
- Commissioning final images before the design is stable, then paying for rework.
- Leaving finish selections open until after modeling starts.
- Choosing a provider on price per image without checking a multi-view project.
- Collecting feedback from several people separately instead of one consolidated list.
Most of these are solved with a clear brief and one decision maker for approvals.
Questions to ask before you hire
Before signing off on a 3D floor plan provider, get clear answers to these questions: Which of your past projects are closest to mine in type and scale? Who models the project and who checks it against my drawings? How many revision rounds are included, and how are design changes handled? What is the exact date for the first draft and for finals? Which file sizes and formats will I receive? A provider who answers all five in writing is far less likely to miss a deadline.
Who uses 3D floor plan and why
Developers use it for pre-sales and financing, so buyers and lenders can commit before the building exists. Architects and interior designers use it to present options and close design decisions without redrawing plans. Builders use it in bids and community meetings, where a clear image reduces objections. Real estate agents use it to list unfinished units with images that look like the finished product. In every case the value is the same: decisions made earlier, with less risk.
Applying what Is an Interactive Section to a real project
Theory only helps if it changes a decision. Early in design, what Is an Interactive Section helps the team agree on what the images must show and which drawings are needed to show it. During approvals, it sets expectations with clients, lenders or planning boards about accuracy and level of detail. At launch, it decides whether the marketing set is ready on time. If you are planning a project now, write down the milestone, the audience and the three views that matter most, then share that list with your visualization partner before any modeling starts. That single page usually saves more time than any software choice.
Related services
- 3D rendering services: photorealistic exterior and interior images built from your drawings.
- Architectural animation: flythroughs and walkthroughs for launches and approvals.
- 3D floor plans: clear unit plans for listings and sales centers.
- VR walkthroughs: immersive tours of spaces before they are built.
- Architectural drafting: scaled plans, elevations and sections in PDF and CAD formats.
Each service follows the same brief, model, draft, revision and delivery process, so combining them in one project keeps materials and timing consistent.
Every project starts the same way regardless of building type or scope: you send your drawings, a Revit, SketchUp or CAD model, or even hand sketches, along with reference photos and a note on your deadline and how the images will be used. There is no need to schedule a call before getting a number. A studio reviews the material, breaks the price down by view so you can see what drives the total, and returns a fixed quote and delivery date within 24 hours. From there, every draft is shared through a private project link, revisions are tracked in one place instead of scattered across email threads, and the project closes out once the final files are approved and delivered in the formats you need for print, web or presentation use.
Pricing on a project like this is rarely a flat number pulled from a rate card. Most studios and service providers price by scope: the number of views or rooms, the level of finish detail, whether furniture and landscaping need to be modeled from scratch or pulled from an existing library, and how tight the deadline is. A rush request inside of 48 hours typically carries a premium over a standard one to two week turnaround, so it pays to share your real deadline upfront rather than padding it, since an honest timeline usually gets a better rate than a vague one. Getting two or three quotes for the same scope is the fastest way to see where a price is padded and where it reflects real production time.
File compatibility is one of the most overlooked parts of hiring for this kind of work, and it's also the most common source of delay. Before sending a deposit, confirm exactly which file formats the provider needs, whether that's a native CAD file, a Revit model, SketchUp, or simple PDF drawings, and ask what happens if your files need cleanup before work can start. Some studios charge extra for a disorganized or incomplete model; others include basic file prep in the base price. Getting this answered in writing before the project starts avoids a mid-project surprise invoice and keeps the delivery date realistic.
Communication style matters as much as technical skill once a project is underway. Ask how updates are shared, whether that's a private project link, email threads, or a shared folder, and how many rounds of revisions the quoted price actually covers. Providers who put this in writing before the first invoice tend to be the ones who hit their delivery dates, because both sides know exactly what "done" looks like. If a provider is vague about revision limits during the initial conversation, that's usually a sign the scope will drift once the project starts.
Reviews and past client references tell a more reliable story than a polished portfolio page alone, since anyone can showcase their best five projects while quietly leaving out the ones that ran late or over budget. Asking for two or three references from projects similar in scale to yours, and actually calling them, remains one of the most effective ways to separate a provider who performs consistently from one who got lucky on a handful of showcase pieces. It takes an extra day, but it's a small cost against a project that could take weeks to complete.
This guide is part of our wider coverage on the same topic. For the full picture, including scope, pricing and delivery, read Interactive Floor Plans for Condo Sales Launches.
Frequently asked questions
Is an interactive section the same as an interactive floor plan?
They are related but different. A floor plan shows one level from above, while a section shows a vertical slice through multiple floors at once.
Who typically uses interactive sections?
Developers, leasing teams, and architects presenting multi-story buildings where showing the relationship between floors matters.
Can an interactive section update in real time as units sell?
Yes, when it is connected to a live inventory or leasing system, availability status can update automatically.
Does building an interactive section require 3D modeling?
It typically starts from an existing architectural section drawing or 3D model, which is then built out with interactive hotspots.