WHIRLIGIG - i3 Plus/v2.1 print cooler

thingiverse

It appears to be an instruction manual for a DIY project involving creating a shroud and duct system for 3D printing. The instructions guide the user through assembling and attaching various components, including a fan, bracket, and shims. The document also provides information on test print settings and frequently asked questions related to the project. Here are some key points extracted from the manual: 1. **Assembling the shroud**: - Attach `Fan` to the heating block using the M4 screw. Leave it loose for now. - Attach `Bracket` to the fan mounting bracket of the extruder block using the M3 screws. Leave these loose for now. 2. **Aligning and tightening**: - Align the nozzle with the opening of the shroud by moving the `Bracket` forwards or backwards. - Tighten the M3 bracket screws. - Add `Shims` to raise the base of the shroud about 1 mm above the tip of the nozzle if needed. 3. **Finalizing the setup**: - Zero the Z axis. - Pivot the `Duct` so that it is parallel to the bed and confirm that it does not collide with the bed. - Tighten the M4 screw. 4. **Test print settings**: - Use a test object like DAISY - Print cooling comparison test. - Settings: Hobby King PLA, 0.40 mm nozzle, 0.20 mm layer height, base speed 100 mm/s, slow down for layers shorter than 1 second, 2 perimeters, 4 top and bottom layers, outline direction inside-out, 0 % internal infill, concentric external infill. 5. **Frequently Asked Questions**: - Addressing concerns about the shroud melting due to being close to the nozzle. - Discussing fan selection and voltage compatibility.