IndyMill – DIY Open Source Metal CNC Machine

Just wanted to let you know that IndyShield is back in stock and you can order on Tindie! Order quickly before it’s sold out 🙂 Thanks a lot!

IndyMill is a project started by Nikodem Bartnik as an upgrade of Dremel CNC machine. The basic idea behind this project is to create easy to build CNC machine that anyone around the world can reproduce. Using popular, easily available components is only one of many challenges on the road. Great documentation is just as important as good design, those two have to come together to create an outstanding project and that’s the goal. Below You can see up to date list of videos and some pictures of this project, together with files and parts list. Also, subscribe to the newsletter to stay up to date:

Parts list

Below you can find tables with all the parts that I used to build IndyMill. I even counted every single screw for you (but make sure to buy some more just in case). The table is divided into mechanics and electronics if you prefer an excel sheet that you can easily print, export and open on your computer you can find it here:
https://docs.google.com/spreadsheets/d/12oHk9QJb_xA03L3f4UTsMpm9c1XGWciNTpjuxPadvEA/edit?usp=sharing

Mechanics

NameQuantityBanggoodAliexpress
Profile 20×40 600 mm2https://bit.ly/3iGGfdMhttps://bit.ly/30VoyRv
Profile 20×40 666 mm 2https://bit.ly/2XYn3QEhttps://bit.ly/3kC0ZoJ
Profile 20×80 600 mm 2https://bit.ly/2Y03gQLhttps://bit.ly/2PRw7Cs
Trapezoidal Lead Screw 220 mm1https://bit.ly/2PS5r4Chttps://bit.ly/31Nef0Z
Ball Screw SFU1605 650mm1https://bit.ly/3fR7yQJhttps://bit.ly/2xpnVTR
Ball Screw SFU1605 600mm2https://bit.ly/2PQIXkghttps://bit.ly/2xpnVTR
Linear Rail MGN12 600mm2https://bit.ly/2DSsF85https://bit.ly/2XY4ADA
Linear Rail MGN12 650mm2https://bit.ly/2DSsF85https://bit.ly/2XY4ADA
Linear Rail MGN12 200mm2https://bit.ly/3gVz94whttps://bit.ly/3fWvn9N
Linear Rail Block MGN12H12https://bit.ly/3gVz94whttps://bit.ly/3gVSOBm
6000RS Bearing3https://bit.ly/30RjJslhttps://bit.ly/30Uv0by
51101 Thrust Bearing3https://bit.ly/30TeQil
6201RS Bearing3https://bit.ly/3h7TWSFhttps://bit.ly/2E44Tpj
608zz Bearing1https://bit.ly/33Wh6Hzhttps://bit.ly/2XYrk6t
8 to 10 mm Coupler3https://bit.ly/30SUCoVhttps://bit.ly/3gWQAS3
GT2 Belt1https://bit.ly/3aoq69Mhttps://bit.ly/2Yfwmfl
GT2 8mm Pulleys2https://bit.ly/31Ms1RHhttps://bit.ly/31KuTym
Trapezoidal Lead Screw Lock Collar3https://bit.ly/2Fn9y6Ehttps://bit.ly/3gVOySf
Corner Connectors2https://bit.ly/3fVVIVchttps://bit.ly/3kGIdfO
M3x16 mm screws 10https://bit.ly/31QrePGhttps://bit.ly/3fUVyh1
M3x10 mm screws 48https://bit.ly/31QrePGhttps://bit.ly/2PSy3e0
M3x8 mm screws 26https://bit.ly/31QrePGhttps://bit.ly/30TJGHN
M3 T nut 22https://bit.ly/2E5v3rNhttps://bit.ly/30WttBP
M5x20 mm screws 8https://bit.ly/31PSNZhhttps://bit.ly/2CnrOvo
M5x16 mm screws 22https://bit.ly/31PSNZhhttps://bit.ly/2CnrOvo
M5x12 mm screws 28https://bit.ly/31PSNZhhttps://bit.ly/2CnrOvo
M5x10 mm screws 4https://bit.ly/31PSNZhhttps://bit.ly/2CnrOvo
M5 T nut 20https://bit.ly/2FnQDIXhttps://bit.ly/30WttBP
M5 nut 24https://bit.ly/31Sl3KXhttps://bit.ly/2PSv710
M6x12 mm screws 20https://bit.ly/3fWm2yLhttps://bit.ly/2E1ev4t
M12x1 fine thread nut 3https://bit.ly/2FhzHDH

Electronics

NameQuantityBanggoodAliexpress
Nema23 Stepper Motor4https://bit.ly/2Y0BnrIhttps://bit.ly/2xpnVTR
IndyShield1
TB6600 Stepper Drivers4 https://bit.ly/33VQFSshttps://bit.ly/2PSt2lG
Arduino UNO1https://bit.ly/3gVqtLshttps://bit.ly/3gVqtLs
Power Supply 12V 30A1https://bit.ly/30RaqZAhttps://bit.ly/3kJOtDu
AC Socket1https://bit.ly/30Tk2mrhttps://bit.ly/30REsfK
Cableshttps://bit.ly/2PQ2qlchttps://bit.ly/3kH9TBh
4 pin Connectors4https://bit.ly/30UUpSihttps://bit.ly/3am7dUU
500W Spindle1https://bit.ly/3gVpcnxhttps://bit.ly/3iCR4NJ
1.5kW Spindle1https://bit.ly/3kGN4O7https://bit.ly/2PMiLHE
Inverter for 1.5kW Spindle1https://bit.ly/2E0aHQOhttps://bit.ly/2PMiLHE

Optional build instruction

Above parts list and files down below is everything that you need to build the IndyMill. It’s open-source so you don’t have to pay anything for the files or design. But I thought that I will make a detailed instruction so that it will be easier for some of you to assemble this project and at the same time support my work. It’s 40 pages long, there are over 60 drawings and a lot of useful information on the assembly process. It’s a PDF file so you can put it on your computer, smartphone, tablet or even print. And it’s only $10. Let me say it again, you don’t need it to build this project, but if you feel like it and want to help me with new projects here you can get through a button below or if it doesn’t work via this link: https://gum.co/indymill

Buy IndyMill Build Instruction

PS. I heard that there are some problems if you want to buy the instruction through PayPal without a connected card. If you want to get the instruction another way let me know through this email: nikodem@indystry.cc

Files

Below you can download DXF files, you can use those files to order laser cutting of the parts. Those should be cut out of 6 or 8mm steel or aluminum. Soon I will start selling a kit of those metal plates, I already have the prototype and I will let you know once those are available.
If you are going to order or manufacture that on your own just simply send those files to a company with a laser cutter that is able to cut steel. Make sure that they can cut all of the holes. You need every file cut only once. There shouldn’t be any problems with making all plates out of 6 mm steel or aluminum but my advice is to cut rail support 1 and rail support 2 out of 8 mm thick material (some extra space for lead screw nut is always helpful). All DXF files are in mm.

I am preparing a kit with those metal plates that you need to build IndyMill, I already have the prototype and hopefully, soon those will be ready to buy. If you want to be notified about that make sure to signup to the newsletter above!

NameQuantityMaterial Thickness
500W Spindle Plate.dxf16 mm
Motor Support Left.dxf1 6 mm
Motor Support Right.dxf1 6 mm
Screw Support Left.dxf1 6 mm
Screw Support Right.dxf1 6 mm
X Axis.dxf1 6 mm
Y Axis Left.dxf1 6 mm
Y Axis Right.dxf1 6 mm
Z Axis Motor Support.dxf16 mm
Z Axis Rail Support1.dxf18 mm
Z Axis Rail Support2.dxf18 mm

You will also need some 3D Printed Parts, you can find them in the ZIP archive below. Make sure to print all of them with infill above 40%. I know it’s not ideal to use 3D printed parts, soon I will try to upgrade that with something made out of aluminum on IndyMill. Below you can also find the table with quantities of each component that you need.

Part NameQuantity
6000 holder.stl3
X axis ball screw holder.stl1
X axis nut holder.stl 1
Y axis ball screw holder.stl 2
Y axis nut holder left.stl 1
Y axis nut holder right.stl 1
Z axis nut holder.stl 1
Z axis bearing holder.stl 1

IndyShield

IndyShield is an Arduino UNO based shield with screw terminals to simplify electronics connection in your CNC router. It’s designed to work with GRBL so you can easily use it not only for IndyMill but actually for any other CNC machine that you want to build. You can buy IndyShield on Tindie, I just got A LOT of PCBs and this product is back in stock!

I sell on Tindie

Of course, because my project is open source below you can find ZIP archive with all the design files of IndyShield (designed in Eagle). Feel free to modify it and share with others just remember to put a link to my project 🙂

If you want to support my projects (It would be highly appreciated!) You can do it through Patreon (link below). You can also support me through paypal!

Become a Patron!

“Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.”

~Winston Churchill

IndyMill Created by Nikodem Bartnik in 2019/2020