[SOLVED] 2D pocket cut about 1mm off even after multiple passes

[HaldorLonningdal]

Here is a good test pattern for precision/backlash:

My DIY-carve

Yes it is, this model was the main reason to get a ShapeOko2. 762 grams in this stage for 1m50 span and detachable is something that is not possible with hand tools, the machine allows me to build with less wood. Then the machine became the hobby, I did some strength calculations and optimised my machine for balsa and plywood. The best upgrade was to make stronger V wheels for a SO3 type Z axis with an 8mm ballscrew (balsa is max 12mm thick) and full length support for the Y axis (6x100mm alu)…