Takeoffs Reinvented

AI that automates symbol counting and length measurement from drawings. Save time, reduce errors, and get fast, accurate estimates.

Book a demo See how does works What is Stiimo?

From project documents to estimate-ready data

Understand the entire project

Stiimo brings together information from project drawings and documents. Its AI identifies quantities in drawings and helps you find requirements, conditions, and other important information across the project documentation. The result is a shared, structured foundation for your estimate.

From quantities to actual products

Once the quantities have been identified, they can be linked to the products and product ranges your team actually uses. Choose from prebuilt manufacturer profiles or create your own, and enrich the data with product identifiers, manufacturers, part numbers, and references. Continue working in Stiimo or export the data to Excel and other estimating systems.

Save > 50% time

Automatic quantity of drawings

Quantity lists

Generate ready-made quantity lists directly from the drawing.

Secure & scalable

Built for security, teams and growing volumes.

Exact lengths

Measures cables and ducts with high precision.

Book a demo today!

Joel's idea was the start

Joel has worked as a calculator in the electrical industry for many years. He knew how time-consuming and monotonous it could be to count symbols and measure cables on drawings. He saw how much time was wasted on manual work – time that should instead be spent creating value in the projects.
The idea for Stiimo was born out of frustration over inefficiency. By combining his experience as a calculator with the new power of AI, Joel shaped the vision: to automate quantity takeoff and calculation work, thereby changing the way an entire industry works.
Together with technical entrepreneurs from Enköping, Joel began developing Stiimo – a platform that makes it easy, fast and accurate to interpret drawings.

We’re heading to Digital Construction Week 2026 at ExCeL London on 3–4 June. Come by and say hello at stand D54.

Stiimo is taking the next step into Europe and exhibiting at Sähkö – Electricity 2026 in Helsinki on 15–17 April. Come and see how AI can automate quantity takeoff from drawings and change the way estimating works in practice.

Ritningstolken becomes Stiimo. We take the next step with improved precision in interpretation and a clear ambition to scale globally.

Frequently asked questions
Which industries are supported?

Today, Ritningstolken supports electrical drawings, but we are already working on building support for HVAC drawings as well.

If you work with a different type of drawing and would like us to support your particular area – please contact us. We are developing the Drawing Interpreter together with the installation industry and welcome new collaborations.
How do I get started with Drawing Interpreter?

The drawing interpreter is currently available to invited companies, book a demo to be added to our invitation only list.
How long does it take to interpret a drawing?

Over 90% of all drawings are interpreted in under a minute. On average, an interpretation takes about 40 seconds, but depending on the size of the drawing and system load, the time can vary from a few seconds to about 15 minutes. The system also handles many drawings in parallel, which means that even larger uploads can be processed quickly.
The drawing interpretation is done with AI - do I have any idea about the result?

Our AI models automatically interpret drawings, but as with all AI-based analysis, there is a margin of error. We continuously train and improve our algorithms to increase accuracy, but the ultimate responsibility for reviewing and confirming the results always lies with the user.
How do you secure data?

Our primary servers and AI computations are located in Sweden, where all data is processed according to the highest security standards. For redundancy, we also use an EU-based backup server. The platform is built with secure deployment routines, continuous monitoring and protection against intrusion.
Can you try the product?

Yes. You try Stiimo together with us in a short demo where we show how the tool works on real drawings. After the demo, we help you choose the right setup and onboard you so you can quickly start working in a live environment.