Free Tools
Engineering Tools and Calculators
Run these on your own numbers. No login, no email, and nothing you type is sent anywhere. Every result shows its own assumptions next to the answer, not hidden in a tooltip.
Print vs Mold Break-Even Calculator
Enter your own tooling cost and per-unit costs. See the FDM and mold totals side by side and the quantity where they cross, on your numbers only.
Open the toolMaterial Selector for FDM Parts
Tell it about your part: indoor or outdoor, heat, impact, flex, chemicals, looks and budget. See which materials we offer fit, and why.
Open the toolTolerance and Clearance Guide
Pick what you are designing for and see published starting clearances, each with its source. This is a guide, not a guarantee.
Open the toolHole Compensation Guide
One hole offset cannot cover every printer, material and hole size. See why, what published minimums exist, and the coupon ladder that finds yours.
Open the toolLead Time Planner for FDM Orders
Enter quantity, size, material and file type. See whether your order looks instant, needs a person to schedule it, or is an expedite request.
Open the toolWall Thickness Guide
See the printability floor and the structural range side by side, each with its source, computed from your own nozzle and layer height.
Open the toolAutomated Design Check
Upload an STL. See the same automatic checks our instant quote runs against our printing limits, in plain words, with what triggers a manual review.
Open the tool
See your price in the next 60 seconds.
Upload your STL. Made in the USA, shipped in days.