Architecture

Forma and Finch: Accelerating Site Planning to BIM with AI

Forma Guest Blog Post

Screenshot of Forma
Image courtesy of Finch

Executive Summary

Author: Jesper Wahlgren, Co-founder and CPO at Finch

This blog post is adapted from the AU 2025 session: From Site Planning to BIM with AI: Accelerating Early-Stage Design with Finch and Forma Site Design. Watch it here.

  • A smooth integration between Forma Site Design, Finch, and Revit connects traditionally siloed workflows between the concept design and design development phases that cause rework and hinder collaboration.

  • Architects can set up a geo-located project in Forma Site Design and explore and analyze their massing concepts, send their proposals to Finch for AI-generated layouts and then into Revit to fast-track the BIM process–all within hours, not weeks.

  • Efficiency gains free up more time for meaningful creative work and problem solving, instead of manual tasks, that leads to better project outcomes.

When AI and architects collaborate to unlock more efficiency and creativity

Siloed workflows are one of the most stressful parts of an architect’s day-to-day work. Switching between different disconnected tools means we need to manually redraw models, we lose data when converting file types, and we must manage different models – all this inefficiency and hassle stifles creative exploration. It also creates barriers, literally and metaphorically, to collaborating across teams and phases. All of this eats up our valuable time meaning we’re wasting too much time on rework and repetitive tasks rather than focusing it on valuable design work.

Getting a head start in the early phase

Leveraging this integration tackles early-stage bottlenecks that slow architects down here and the efficiencies gained help free up more time and energy for valuable design work that drives better project outcomes. This not only results in more efficient workflows but also enables architects to easily access rich data earlier to make informed decisions from day one.

Forma Site Design to Finch

Architects can leverage Forma Site Design’s contextual data and analyses to quickly explore and test massing options and send their proposals to Finch for AI-generated layouts (video: 11 sec.). Video courtesy of Finch.

Connecting Forma Site Design and Finch enables architects to quickly explore and test multiple options in parallel for massing and layouts so see what best fits the site and the client’s needs.

Users can quickly create geo-referenced projects in Forma Site Design, setting up their site with contextual data, and iterate on the massing while monitoring area metrics. With Forma Site Design’s built-in real-time environmental analysis, designers can gain insights into livability and sustainability metrics such as microclimate, daylight, noise, sun, solar energy, and embodied carbon.

Generate, customize, and optimize layouts

Finch generates floor plan layouts using custom precedents and key building parameters (video: 53 sec.). Video courtesy of Finch.

The building volumes and site context created in Forma Site Design can be sent directly to Finch, where AI-powered tools rapidly and precisely generate floor plan layouts. Designers can customize and optimize their floorplate and unit layouts based on project goals and key building parameters such as unit mix, dimensions, daylight needs, circulation logic, and accessibility regulations. It combines Finch generated results as well as your own existing designs. As the design evolves, Finch automatically builds a Revit-native model using families and model groups, ready for further development and documentation.

Working at the forefront of new technology, Nordic Office of Architecture implements Forma for early-phase design and now integrates this with Finch to improve their processes further. “For us, the connection between Forma Site Design and Finch enables a seamless transition from concept design to detailed design development,” says Knut Ramstad, Chief Technology Officer at Nordic Office of Architecture. “This process enhances quality, saves time, reduces errors, and creates new opportunities to involve stakeholders early in development.”

Fast tracking detailed design in Revit

Projects in Finch can then be directly sent to Revit to fast-track the detailed design process (video: 18 sec.). Video courtesy of Finch.

When the design is ready for further development, the workflow continues in Revit where Finch’s Revit add-in enables a detailed export of Finch’s data. Geometry, floorplate structure, and design data are transferred into native BIM elements such as object families, area plans, and model groups. This enables a smooth transition into detailed design and documentation workflows, without losing data or creative intent while saving days of manual rework.

By automating repetitive, manual tasks, connecting data across platforms, and embedding data-driven insights throughout the process, we’re helping architects work with greater clarity, confidence, and impact. Design teams can explore more design options, validate ideas faster, and involve stakeholders earlier in the process. But efficiency is only part of the story; it’s about freeing up more time and energy for architects to prioritize the creative work that leads to better outcomes through deeper design thinking, informed decision-making, and improved building performance. Reducing hassle refocuses effort on what matters most i.e., designing sustainable, future-proof buildings and environments.

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