# Grid slicer

9 Hacker News commenters recommended Grid slicer and 2 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** Free, browser-based slicer for 3D printing, CNC and laser cutting, with no accounts or subscriptions and fast loading. Critics say it lacks a true offline app.

## Why people recommend it

- One tool for laser, CNC and 3D printing (2 comments): "A fun thing you can do with this excellent sw is to slice a 3d object into slices to cut with a laser cutter." ([source](https://news.ycombinator.com/item?id=46822765)) "really appreciate the ability to use the same tool for laser cutting, 3d printing, and CNC" ([source](https://news.ycombinator.com/item?id=46818761))
- Fast, light, pure HTML5 app (2 comments): "it uses pure html5,css,js, it is extremely fast and light" ([source](https://news.ycombinator.com/item?id=46820953)) "fully loads in under a second" ([source](https://news.ycombinator.com/item?id=46820051))

## What people warn about

- Misses top surfaces on imported models (1 comments): "it didn't generate any top surfaces (except for the topmost one) for a model I imported in" ([source](https://news.ycombinator.com/item?id=46818722))
- Default Ender 3 profile has a bug (1 comments): "this does look like a bug in the default Ender 3 profile. easily fixable." ([source](https://news.ycombinator.com/item?id=46818831))

## Alternatives hackers recommend

- [OrcaSlicer](https://hackerapproved.com/p/orcaslicer.md): 32 recommend
- [PrusaSlicer](https://hackerapproved.com/p/prusaslicer.md): 15 recommend
- [ColorMix for PrusaSlicer](https://hackerapproved.com/p/colormix-for-prusaslicer.md): 8 recommend
- [Bambu Studio](https://hackerapproved.com/p/bambu-studio.md): 7 recommend

## Cite as

Hacker Approved, "Grid slicer", https://hackerapproved.com/p/grid-slicer/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).