This is an easy-to-make planetary gear fan. +Jan 19, 2021 The 3 layer option of the HR version has been successfully tested. A fan version with a grip has been added.See here

+Jan 07, 2021 A version of v2 with 4 planets has been added and the clutch of v2 has been updated.

+Jan 05, 2021 v2 version has been added. This makes assembly easier. It also rotated normally even though it was print at 80%. A version with a larger gear ratio has been added. The other version was 1:4.8, but this time the gear ratio is 1:6. This version is distinguished by HR.

+Dec 29,2020 I tested the fan with a 110.592 gear ratio and it works fine. Also some have been updated.

https://www.youtube.com/watch?v=toN74HmcNoc https://youtu.be/vWud-BA9zLs

MODEL OPTIONS: There are high resolution models and normal resolution models. High resolution models are saved as *.zip files. +Dec 29,2020 removed high resolution models

PRINT OPTIONS:(Not HR versons) There are two options. 2-layer and 3-layer. 2-layer option: 1:23.04 gear ratio. Parts required: 1x gear 1x gear_nowall 1x shaft 1x shaft_handle 2x clutch 1x fan

3-layer option: 1:110.592 gear ratio. Parts required: 2x gear 1x gear_nowall 2x shaft 1x shaft_handle 3x clutch 1x fan

PRINT OPTIONS:(HR versions) There are two options. 2-layer and 3-layer. 2-layer option: 1:36 gear ratio. Parts required: 1x clutch_withsupport_HR 1x clutch_HR 1x fan4t_HR 1x gear_HR 1x gear_nowall_HR 1x shaft_HR 1x handleshaft_HR

3-layer option: 1:216 gear ratio.(Succesfully tested) 1x clutch_withsupport_HR 2x clutch_HR 1x fan4t_HR 2x gear_HR 1x gear_nowall_HR 2x shaft_HR 1x handleshaft_HR