Wilson IIK

by kilroy07, published

Wilson IIK by kilroy07 Jan 22, 2018
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Wilson IIK by kilroy07 is licensed under the Creative Commons - Attribution license.

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Updated 20 Feb 2018
Reworked box for MKS Gen L (I had the holes slightly off.
Lid now comes with hole for 60mm fan and a version without (cut your own.)

Spool Holder finished.
You will need a short section of threaded rod and an assortment of bearings, nuts washers etc. See pic for assembly (left to right in photo.)

First off, this variant would not have happened without the fantastic design by Mrice.

My main motive was two fold. First to make alignment of the Y-Axis stiffer and easier to assemble. Second to clean up the rat’s nest that was my first Wilson II build (See last picture, I’m so ashamed!) LOL.

The main changes were to the Y-axis and how it mounts to the main frame.
A warning, at around 80% infill the set will take the better part of a spool to print out all the pieces. What you get in return is (I think) a much more rigid (and Square) frame and therefore a slightly easier build due to less fidgeting with alignment (not that “I” had an issue with that....) Any piece not represented (entire Z-axis) utilizes the original Wilson II pieces.

I really like the endstops pre-mounted on the small red PCBs So my design(s) incorporate those (X motor end and Y motor end.) You will also need some of the corrugated wire wrap (and zip ties.)

The Power supply mount is specifically designed for a ASTEC Artesyn LCM600Q-N DC Power Supply (24V) I debated on whether to include it, but maybe someone will remix it to make it suitable for more generic power supplies. I originally experimented with quick disconnects on power supplies… then it occurred to me, maybe I should just buy better power supplies rather than swapping out cheap Chinese made ones. You could also just drill holes in the existing mount for your supply.

The box for the electronics has two slots for prototype PCB boards (30x70mm) I've used one to mount drivers for status LEDs and a voltage divider for the inductive sensor.

STILL in Progress are;
A lid for the box (probably will print in clear).
Spool holder.
LCD mount.

So, what does 2K refer to, I’m not sure… maybe the 2 thousand (or more) I’ve spent on this “hobby” (Don’t tell the wife!) or the 2000+ hours I spent designing this (I started around July 2017) or maybe it goes back to my nickname (take your pick.) either way, I truly think the Wilson 2 series is one of the best designs out there!

Print Settings


Wilson II








80% (or more, working part after all.)


The X-axis and Y-Motor end won't need support, everything else does.

Tolerances may be quite tight especially on the X-Y joiner. I designed some "slop" in the area bridging will occur, after cleanup (removing support) the two sections of 2020 "should" friction fit quite tight (as designed to keep everything square.)

How I Designed This

Designed in Microstation

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Nice work. What are you using to mount the inductive probe and the radial blower on the x-carriage?

I started a Hypercube https://www.thingiverse.com/thing:1752766 awhile ago (it's over in my roundtoit pile.) And I really liked the mount (Now that I've tried a Bowden setup... I'm not so enamored.) That is what my X carriage is set up for, but I believe that's a standard 4-hole mount for the early I3? At any rate, that's where I snagged it. Great compact design!

HyperCube 3D Printer/CNC
by Tech2C

Any chance you can do a remix for the MKS v1.5 without all the additional boards?

I am actually looking at a new version this weekend as I have the mounting brackets slightly off... (Mea culpa)

I will look at a "shorter" version (stay tuned.)

Hi Kilroy
Thanks again real sturdy.I did a before and after

Awesome, hope it serves you well!

Hi Kilroy i need to print a new y axis where the tensioner fitts on as mine has cracked
at the 4mm hole.Is your y support the same as the original ?.Your support looks great and strong.

Yes, I used the existing as a template so you should be good. Let me know how it turns out.

Thanks so much,i will definitely take a old and new for you.
Tx again

Comments deleted.

Hey Killroy, totally random question. in the picture you have with all the screw terminals, what are the green and red connectors that you have in-between your wires and the screw down terminals called? I've been trying to find out but I don't know what to google..

Great work by the way!

Hi there-
They are called Wire Ferrules or pin connectors (china sites). After some research I've learned this is the "proper" way to use screw posts. Be wary of cheap crimp pliers, the first set I bought had plies that would not crimp the smaller sizes (pretty much all I needed for the printer, LOL)

Thanks! Lid and spool holder should be finished this weekend.