This is a bracket to attach a fan to a grow tents inner polls.

The bracket can be tightened and should fit poles around 16 mm.

I made a couple different versions. For smaller printers I split the frame from the hinge which can be attached with good super glue.

I used 2 x M3 x 16 mm bolts to attached the rear clamp to my tent.

This bracket is meant to fit this 8-Inch Oscillating Fan from amazon:

https://www.amazon.com/Holmes-Blizzard-8-Inch-Oscillating-Table/dp/B000J07RMU/ref=sxin_1_ac_d_pm?ac_md=1-0-VW5kZXIgJDI1-ac_d_pm&cv_ct_cx=blizzard+fan&dchild=1&keywords=blizzard+fan&pd_rd_i=B000J07RMU&pd_rd_r=5bf1980d-f710-4b22-b7f4-1d07b8b52096&pd_rd_w=1oJFb&pd_rd_wg=k0MlH&pf_rd_p=516e6e17-ed95-417b-b7a4-ad2c7b9cbae3&pf_rd_r=A00RASKPGA4HC8GHK7ZE&psc=1&qid=1584894309