Skewed Tools
A workbench of small, focused tools for 3D printing and modelling. Work out what a print will cost, dial in your printer, convert between units and look up material settings, all in your browser.
Browse the tools Free to use. No account, nothing to install.
The toolbox
Tools are being added one at a time. Anything not linked yet is still on the bench.
Printing
Plan prints and know what they'll cost.
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Turn grams or metres of filament into a cost per print.
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A rough print time and filament use from an STL or the model's size.
- Filament length and weightComing soon
Convert between spool length and weight for any diameter.
Calibration
Get the machine square and the extrusion right.
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A labelled test tower for finding the best temperature for a filament.
- E-steps calculatorComing soon
Work out new extruder steps per mm from a test extrusion.
- Flow rate calculatorComing soon
Correct flow from a measured single-wall print.
- Skew correctionComing soon
Turn diagonal measurements into a skew correction factor.
Make
Fill in a few boxes and download a model ready to print.
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Storage bins in any grid size, with dividers and a label shelf.
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Caps for the square corners of shelves and table tops, sized to your board.
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Raised-letter tags with an optional keyring loop.
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Make a QR code as an image, or as an STL to print as a sign.
Modelling
Check models and size things so they fit.
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Open an STL in 3D and check its size and volume before slicing.
- Unit and scale converterComing soon
Millimetres, inches and model scales like 1:35 or 28mm.
- Tolerance and clearance guideComing soon
Suggested gaps for press fits, sliding fits and hinges.
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Typical temperatures and quirks for PLA, PETG, ABS, TPU and more.
Why "skewed"?
Skew is what happens when a printer's X and Y axes aren't quite at 90°. Everything still prints, it just leans a little. Squares turn into parallelograms and parts that should fit together don't.
Most 3D printing headaches are like that: small numbers that are slightly off. This site collects the calculators and references that help you find those numbers and put them right.