DIY Linear Servo Actuator, 3D Printed

This video shows how to assemble and then run these DIY linear servo actuators (pusher style). Two sizes have been designed and made available for any project you have that needs a pusher style linear actuator.

An off the shelf version can cost around $70, while these 3D printed versions are much lower cost. Links to the STL files, part lists and affiliate links can be found below.

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Part lists and affiliate links

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Mini version:

Non 3D Printed parts needed:

Continuous Rotation Micro Servo - FS90R

JB Kwik 2-part epoxy

Arduino Uno

Adafruit Motor Shield V2

2x M2 x 10mm screws
2x M2 nuts

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Large version:

Non 3D Printed parts needed:

Continuous Rotation Servo - FeeTech FS5106R

JB Kwik 2-part epoxy

Arduino Uno

Adafruit Motor Shield V2

4x M3 x 12mm screws
4x M3 nuts

As an Amazon Associate I earn from qualifying purchases.

Some inspiration for this design came from:

WARNING: Please be careful when following any of the instructions from this video. Put your personal safety first and wear the appropriate safety equipment.

#3dprinting #diy #arduino #3dprinted #design

[aaravbansal]

thank you, i've honestly searched wayyyy too much, and then finally found this. solves the exact problem i was facing.

[PrintNPlay]

It's awesome to see your dreams actuated

[jeremystowe]

I just watched the YouTube video last night, downloaded the STL files and 3D resin printed it this afternoon, this is a great design! Looking forward to attaching it to my airfoil to change angle of attack in the wind tunnel I have been modifying. Thank you!!

[seeminglyRANDOM]

This is a wonderful design and I am sure my students and I can use it in some of our robotics projects this year. Thanks for sharing!

[greyfox]

Thank you! Just what I've been looking for. I am making a cosplay and I needed to figure out how to make a part extend and retract. I am a noobie so it's going to be a learning experience for sure!

[ferdinandgotz]

thanks my brother in tinkering! These look like the exact thing I was looking for.

[obsidiantechz]

I first struggled with the hub and pinion gear part but I got it now thanks

[MarkSwifty]

Finally, I can print my own actuator for the duck coop door!

[sshutupurface]

i like the grooves you made for keeping it level

[cupbowlspoonforkknif]

I've spent dozens of hours over several years looking for something like this! Thank you! I have subscribed to help you out.

[miketony]

This is great. Im going to use this make motorized drawer. Much less than the couple off the shelf motorized drawer openers ive seen.

[Willy_Tepes]

You don't need to glue the hub into the gear. Just cut most of the arms of a 4-arm horn leaving just 1-2mm. Then design your gear to accept this shape. I make drive gears down to a diameter of 12mm like this. Alternatively you can also buy steel or brass gears that fit the spline. 25T is very common.

[Christopherwalkinhere]

Thanks so much! must smaller than a traditional vertical actuator, thanks again

[고양-vs]

you saved my capstone project! Thanks a lot..

[simonsuarez]

Thank you for sharing it! This was really helpful

[ynnebbenny]

This is great. One problem I encountered (My fault) when I printed this was I reorientated the pusher rod to fit flatter on the table. Because I rotated it 90degrees it caused an issue with rod not fitting into the slot easily. I guess my printer needs calibrating more precisely.
I do think the pusher rod needs a flat plat so that the geared part sits on the printer plate without needing supports.
Thanks for this file its a great addition.

[henrytarveran]

Brilliant job I must say, this is very good PRJS to implement..!!

[Muchshy]

Awesome! Thanks for sharing this! I may use this concept on my 3D printer to deploy/retract a mechanical switch for auto-tramming.

[infinitx]

first time seeing your channel, subscribed on the spot. Thanks for the files I can use them to build my bluetooth gate lock

[DavidBeukes]

Thanks for sharing this. It's inspiring.