Desk Fan

by Michaelmi782, published

Desk Fan by Michaelmi782 Jul 28, 2015


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It's summer and the sun is very hot. Buy a fan is boring.
So why don't print a selfmade fan with 5 speed steps? - from silent to cool down! ;-)

What can you do next? Take this fan to a place where is a lot of wind or use wind enery from a exhaust of a machine and use it the other way round to produce energy!


Have Fun!


You need a Motor, a switch and some screws.
I don't know the motor and switch type, so i made a plan with the most important meassures. You can find the plan in the pictures.
You also need three DIN912 M4x10 screws and two DIN912 M8x25 screws.
The three M4 screws are for the cover on the backside. (you must make three threads in the stand.)
The two M8 screws fix the stand turnable on the foot. (you also must make two threads in the foot, on the inner holes.

A possible variant of a electrical circuit layout is in the pictures too. I this circuit to regulate the speed of the fan.
Operating voltage up to 12V.

you can install the cables in the prepared holes and tunnels. So you don't see them after assembling the components.

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Is there really no type/name/id on the motor itself?
Can you please make some picture of the motor?

Start to print the Desk Fan because I think it's genious!!!

Hey Pyroplan,

for crafting I take my motors from old or broken electrical devices. The most of this motors are blank, without any labels I'm sorry.
I can't disassemble my desk fan because I fixed the security grid with super glue. But If I can help you with other information let me know.

I I'm glad you like it. Much fun and success with the print and fan.

Feb 24, 2016 - Modified Feb 24, 2016
Pyroplan - in reply to Michaelmi782

thanks for your reply.
From wich old device do you take the motor?
Any ideas how much RPM the motor has? And maybe how much Current it takes?
I looked for motors, but most are for RC-Cars/Planes and have more than 5000rpm and I think it's little bit much :D
And these motors costs around 8-9€.
Others with gear and lower rpm costs even more =/

Blower should be print with support (60° in settings). For me I got lot of problems without them.
If it is ready, I just need the stand - but I even don't know wich motor I can take :( Anyone else some ideas (maybe with links)?

Feb 25, 2016 - Modified Feb 25, 2016
Michaelmi782 - in reply to Pyroplan

Hey Pyroplan,
I don't know the device, I'm sorry. I take the motors and components I could need when the device is broken.. so I have a kind of spare part collection. After some month I don't know where the parts are from..
Hm. Don't look at the rpm, because you can set the rpm by adjusting the current/voltage with a potentiometer or a resistor.
You only need a fast, but not too fast motor. You always can slow it down.
I think with a 3€ motor you are in the right direction. You won't need a motor with gear. :-)
I'm not sure but this looks like mine:
But I can definitly say this is my switch:

Feb 26, 2016 - Modified Feb 26, 2016
Pyroplan - in reply to Michaelmi782

Thats funny, just found the same motor on pollin yesterday. Thank you very much =)
Tomorrow i should have all printed files so I try to upload some pictures soon :)