F2F - FanToFilter - Connect a Fan to a Filter Cartridge

Update 2021/03/17: added support for multiple cartridges, an offset, and support walls in the center of the construction, removed slopes for cap 

Print instructions

PLA and PETG worked fine for me, ABS didn't work (to large → warping)

Chose your options

Printer

This projects adapts some properties as wall thickness and heights to your printer properties. Some Informations can be found in the slicer. 

1. printer_layer_height=0.20;
2. printer_wall_thickness=0.86; //see your slicer for a thin wall consisting of two lines
3. printer_overhang_angle=45; //for PLA 60 degree might work

Filter Cartdrige

1. filter_width=100; //x
2. filter_length=150; //y
3. filter_height=15; //z
4. filter_overlap=5;
5. filter_offset_x=0;
6. filter_offset_y=-25;
7. filter_number_x=2;
8. filter_number_y=1;
9. filter_number_z=1;

The filter-cartridge is described by a box 100mm x 150mm x 15 mm and an unusable border around the airflow of 5 mm, you may arrange any amount of filter cartridges around and they may have an offset to the center of the fan.

Fan

1. fan_type="120"; You may choose from the following options: 220/200/140/120/92/80/70/60/50/40 or define your own fan
2. fan_screw="M4"; You may choose from the following options: M2/M2.5/M3/M5/M5/#6 or define your own screw

Construction