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Preparation Step 1 : Print Parts 

For this project you will need to print the following parts: 
2x 

 Main Body  

2x 

 Base Frame 

4x 

 Extrusion Clips 

2x 

 Heatsink wedge (optional for when needed) 

 
Suggested basic print settings: 
0.3mm layer height 
2 or 3 perimiters 
2 or 3 bottom solid layers 
2 or 3 top solid layers 
 
When all the parts are finished you will need to clean up the edges to ensure a correct fit. You can 
check if you need the heatsink wedges by testfitting one of the aluminium heatsinks in the main 

body. If it’s not

 a tight fit you will need to print these two to fix the led and heatsinks in place. 

 
 
 

 

 

Preparation Step 2 : Electronics

 

Testfit if the led dimmer you purchased fit’s through the cable channel in the main body. If it doesn’t 

you will have to solder the wires from the Dimmer to the LED panel already fed through this channel.  
 
Solder the wires from the dimmer on each of the LED panels 
 
Measure the length from the preferred position of the LED panel up to where you want to position 
the powersupply and cut or extend the wires as needed. If you use one powersupply (As I do) I 
recommend joining the wires behind the printer for a cleaner look. 

Degrease the back of the led and apply the thermal tape (when used) or degrease in preparation of 
the application of the thermal paste. Do not apply the thermal paste though until just before you are 
ready to install the heatsinks to the back of the LED panel. 

Summary of Contents for Prusa I3 MK3

Page 1: ...Custom lighting kit for the Prusa I3 MK3 Build instructions ...

Page 2: ...goal is to give global instructions for the build together with a couple of build purchase suggestions based on my experiences building the lights myself There are a couple steps in the build that are shown in more detail in the video published on YouTube I recommend using the combination of this manual and the video during the build If you have any questions please feel free to comment below the ...

Page 3: ...g these circuits I strongly recommend not to use this or a similar powersupply but instead use a wall adapter that is capable of supplying the leds The LEDs cannot be powered from the printer s own powersupply It is already at the upper limit of it s capabilities and can not safely handle the additional load from the LED panels There are really cheap LED dimmers available they work but it s better...

Page 4: ...ay 1x Powersupply 12V 3A check chapter for tips and alternatives before purchasing 2x LED dimmer check chapter for tips before purchasing 1x Power switch 1x Length of thermal tape to cover both LED panels or a syringe of thermalpaste 2x M4 Threaded Brass bushing 2x M4 washer 2x M4 12 4x M4 6 can be longer but will stick out of the base frame Print list 2x Main Body 2x Base Frame 4x Extrusion Clips...

Page 5: ...eparation Step 2 Electronics Testfit if the led dimmer you purchased fit s through the cable channel in the main body If it doesn t you will have to solder the wires from the Dimmer to the LED panel already fed through this channel Solder the wires from the dimmer on each of the LED panels Measure the length from the preferred position of the LED panel up to where you want to position the powersup...

Page 6: ... in frame Assembly Step 2 Rotate clips You should be able to insert the clips by hand without excessive force If this not possible smooth the surface that mates with the extrusion profile with some sandpaper check the fit frequently ...

Page 7: ...7 Assembly Step 3 Push baseframe on lower frame printer Assembly Step 4 Fasten M4 screws ...

Page 8: ...the backing from the thermal tape or apply the thermal paste to the back of the LED panel Ensure that it is positioned straight in the recess and gently place the heatsinks one at the time Press them firmly against the led to ensure a good contact with the tape or paste When your heatsinks fit loosely in the recess you can now fix them in place with the wedges ...

Page 9: ...9 Assembly Step 7 Fasten your lights Guide the wires through the base frame and screw the main body in place Connect the wires and the build is finished Enjoy ...

Page 10: ...ined in this document are for general information purposes only You should not rely upon the material or information in this document as a basis for making any business legal or any other decisions Whilst we endeavour to keep the information up to date and correct Stefs Engineering makes no representations or warranties of any kind express or implied about the completeness accuracy reliability sui...

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