Extrabold Tools

What it does

Extrabold Tools is a growing set of browser-based 3D tools for makers, built for speed and customization. Our flagship Gridfinity Generator lets you create custom baseplates, bins, and inserts no Fusion 360, no Blender, no BS. Generate STL files instantly, tweak live previews, and fine-tune dimensions, margins, magnet holes, and more all in the browser. Whether you’re organizing your workshop, optimizing your print bed, or just want a faster way to prototype printable objects.

• FA
  Free and local browser tool for designing gear models for 3D printingJan 2026 · gears.dmtrkovalenko.dev · ▲53

  Just build a local tool for designing gears that kinda looks and works nice

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  LayerGen AIApr 2026 · layergen.ai · ▲90

  Generate print-ready D&D miniatures from text or image

• AP
  A pattern generator with 1300 shapes and 300 dpi2021 · tool.graphics · ▲112
• SG
  Split-Grid Generator2021 · split.js.org · ▲89
• AO
  An open source tool to generate Jet Engine compressors2023 · github.com · ▲35

  Hi everyone started this project a year ago to generate the CAD for a Jet Engine Axial Compressor. I am now open sourcing this tool that can take in a JSON file with specs and generate the CAD assembly. Still has a lot of work to improve designs but there isn't anything the Open Source community can't accomplish!

• WB
  We built a tool that generates 3D objects with editable, separate partsMay 2026 · nova3d.xyz · ▲10

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  Clipto MCP▲640

  Let agents source clips from terabytes of your local video

  Work · 19d ago · clipto.com

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  Computable GPU Index (CGI)▲424

  Hey we are Computable. We spent years building trading infrastructure at Jump Trading and Coinbase. From that point of view, compute looks like energy markets before 2000: everything trades through private bilateral leases, there’s no visible price, and nothing can be resold. The same H100 rents at a 2x spread depending on who’s asking, and once you sign a 24-month lease, it can never change hands. So we built a market for GPU nodes, sold by the calendar week. Here are three things you can do on it that you can’t do anywhere else: - Buy exactly the weeks you need. Three nodes for the last…

  Work · 11d ago · getcomputable.com

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  HyNote for Mac▲383

  Free local transcription that is 100% Private

  Work · 18d ago · hynote.ai

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  VoiceOS App Store▲330

  The app store for voice native apps that lives in your notch

  Work · 29d ago · voiceos.com

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  Scrimba Explain▲325

  Ask any question, get a video back instantly

  Work · 25d ago · scrimba.com

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  Guideflow▲1,341

  The AI demo automation platform for SaaS

  AI · Nov 2025 · guideflow.com

• IB
  I built a synth for my daughter▲1,278

  Life & fun · Nov 2025 · bitsnpieces.dev

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  Welltory▲1,030

  Stop energy drain

  Work · Nov 2025 · welltory.com

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  Gemini 3▲1,007

  Bring any idea to life with multimodal capabilities

  AI · Nov 2025 · blog.google

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  TrustMRR▲836

  The database of verified startup revenues

  Growth · Nov 2025 · trustmrr.com

• B
  Boing▲782

  Life & fun · Nov 2025 · boing.greg.technology