Inspired by MetalGuru's idea : The plasma too cutter . If you have to cut small to medium sheet of steel with a plasma , this build may be for you

A build to cut .008 inch slots into JB Weld.

The machine has met and exceeded my expectations on repeatability and accuracy. Cost was approx £600 including the Windows tablet.

How to convert your OX CNC to a plasma cutter at low cost

This is our plasma cutting table , based on the famous OX CNC . Can cut up to 15 mm ( steel , stainless , aluminium ) with a really good accuracy and at a really high speed .

My take on a non affordable slider.

To help cutting v-slots with hand saw

i always make laser cutting machine, but when i see openbuilds, this can make more cheap gantry for make laser cutting.

A CNC platform designed with swapable heads to do laser engraving/etching/cutting, routing and milling, as well as 3D printing.

A System of 3d printed parts to use along with your projects aluminum extrusion to cut your pieces of v-slot to length manually.

LASER ENGRAVING DIY 60 WATT

Creating a CNC mitre (45°) cutter, for picture frame cutting. Starting with an OX, but inverting various parts and adding a material table, with a stepper-controlled measuring guide.