Rescale

Hestus (YC S24) builds AI-powered CAD software. Its first product, Sketch Helper, is an Autodesk Fusion plugin (SolidWorks in alpha) that automates repetitive mechanical design tasks such as sketch completion, constraints and interference checks, toward what the company calls Mechanical Intelligence. It reports more than 5,000 engineers using it across drones, robotics, industrial equipment and consumer products.

$9M

Synera, founded in 2018 in Bremen, Germany, deploys AI agents that automate engineering design, simulation, and optimization workflows.

Series B · $80M · 2026-04

NP Company, founded in 2025 in Paris, develops physics simulation models pre-trained on industrial data to generate high-fidelity engineering results within seconds for aerospace, automotive, and semiconductor design workflows.

Pre-Seed · $7M · 2026-06

Vanellus (Vanellus Technologies Ltd, Cambridge, UK) builds GPU-native thermal simulation software for electronics cooling: a cloud-GPU conjugate-heat-transfer CFD solver with automated meshing, delivered via API and claimed to run ~25x faster than OpenFOAM, used by thermal teams at AI accelerator/server makers, data centers and consumer electronics companies.

JuliaHub, founded around 2015 in Cambridge, Massachusetts, USA, leverages the Julia programming language, physics-based modeling, and AI to help enterprises design, simulate, and automate engineering systems.

Series B · $65M · 2026-05

Emmi AI, founded in 2024 in Linz, Austria, develops industrial simulation software using AI-driven physics and data integration to model engineering systems, running large simulations in milliseconds via deep learning.

Seed · $17M · 2025-05