Free 3D Printing Tools

A collection of free, useful tools and calculators to help you get the most out of your 3D printer.

AI-Powered Tools

AI

AI 3D Model Generator

Describe what you want or upload an image — our AI creates print-ready 3D models instantly. Text-to-CAD and Image-to-CAD, no CAD skills needed.

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AI Product Listing Generator

Generate SEO-optimized titles, descriptions, tags, and professional product photos for Etsy, Amazon, Shopify, and more. Upload a product image or 3D model and let AI craft your marketplace listing.

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Vehicle to 3D Model Generator

Upload a photo of any car, truck, or motorcycle and generate a high-resolution 3D printable model with AI. Image to 3D in minutes, no CAD skills needed.

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Architecture to 3D Model Generator

Upload a photo or rendering of any building, house, or structure and generate a high-resolution 3D printable architectural model. Create scale models and maquettes with AI.

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Pet to 3D Figurine Generator

Upload a photo of your dog, cat, or any pet and generate a 3D printable figurine. Choose realistic, cartoon, or tabletop miniature styles. Perfect keepsakes and gifts.

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Face to 3D Figurine Generator

Upload a selfie or portrait and generate a custom 3D printable figurine. Choose realistic, cartoon, or tabletop miniature styles. Great for gifts and cake toppers.

CAD & 3D Design Tools

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Custom Bin & Sorting Tray Generator

Design custom storage bins, sorting trays, and drawer organizers with adjustable dimensions, grid layout, and rounded corners. Live 3D preview and instant STL download.

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Flexi / Articulated Model Creator

Upload any STL, click to place ball-joint cutters, auto-size and orient them, then export the cutter STLs. Create print-in-place articulated models.

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3D Text Generator

Type any text, choose a font, adjust size and extrusion depth, then download a print-ready STL. Great for nameplates, signs, keychains, and cake toppers.

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Lithophane Generator

Turn any photo into a 3D-printable lithophane STL. Adjust size, thickness, and resolution. Supports flat panels and curved lamp shades.

Utilities

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G-code Viewer Online

View and analyze G-code files layer by layer. See print paths, travel moves, filament usage, and estimated print time. Works with Cura, PrusaSlicer, Bambu Studio, and more.

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3D Model Viewer

View, inspect, and analyze STL, OBJ, GLB, GLTF, and PLY files directly in your browser. See geometry stats, dimensions, and more.

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3D Model Format Converter

Convert between STL, OBJ, GLB, GLTF, and PLY formats instantly in your browser. 100% private — no files uploaded.

Etsy & Business Tools

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Etsy 3D Print Profit Calculator

Calculate your profit margins for selling 3D prints on Etsy, including fees, shipping, filament costs, and time.

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Print Time Estimator

Estimate how long your 3D print will take based on model size, layer height, print speed, and infill percentage.

Calculators

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3D Print Cost Calculator

Calculate the exact cost of your 3D prints including filament weight, electricity usage, and machine wear.

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Resin Print Cost Calculator

Calculate the true cost of resin 3D prints including resin, electricity, consumables, and failure rate markup.

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Layer Height Calculator

Find the optimal "magic number" layer heights for your 3D printer to reduce Z-wobble and improve print quality.

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E-Steps Calculator

Calibrate your extruder's E-Steps value to fix under-extrusion or over-extrusion issues.

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Filament Spool Calculator

Estimate how much filament you have left by weighing your spool. Database of common brands included.

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Flow Rate Calculator

Calibrate your extrusion multiplier (flow rate) for dimensionally accurate walls and solid top layers.

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Volumetric Flow Rate Calculator

Calculate the volumetric flow (mm³/s) to ensure you don't exceed your hotend's max melting speed.

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Filament Drying Guide

Find the correct drying temperature and time for PLA, PETG, ABS, TPU, Nylon and more.

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Material Shrinkage Calculator

Calculate the scaling factor to compensate for material shrinkage. Presets for PLA, ABS, ASA, PETG, Nylon, PC, PP, and more.

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Filament Length/Weight Converter

Convert between filament length (meters) and weight (grams) for any material density.

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Stepper Motor Vref Calculator

Calculate the safe Reference Voltage (Vref) for your TMC2209, A4988, or DRV8825 stepper drivers.

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Acceleration Distance Calculator

Calculate the distance required for your printer to reach full speed given your acceleration settings.

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