arduino or pi shell PCB etch tank

thingiverse

This device is the wet etch tank for miniature PCB manufacturing, like Arduino or Pi SBC shells. Users can modify four parameters - etch_tank_x, etch_tank_y, etch_tank_z, and border_tk - to enlarge or reduce the tank dimensions. Print Settings Printer: Creative CR-8 Rafts: No Supports: Yes Resolution: 0.1-0.15mm/layer Infill: 25% Notes: Border thickness is recommended to be greater than three times the exit pupil. Post-Printing Water leakage test requirement before PCB etch. Please check for water leaks before starting to etch your PCB, as layer stack seams may cause leaks in this tank if the 3DP conditions are poor. This mini tank can be used for small printed circuit boards. It has low liquid consumption. How I Designed This Bubbles uniformity check in a 0.22mm air hole size. This video shows all positions with bubbles. Standards NGSS CCSS Overview and Background High etch solvent waste in old PCB etcher models. Old PCB etch tanks require more than 900ml of etch liquid, which is too much waste for mini PCB makers. Therefore, I designed this mini tank to reduce etch liquid usage for PCBs smaller than 10x10cm. Lesson Plan and Activity Just try it. Please provide any feedback on issues you encounter. Thank you!