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Build a low-cost CNC machine in your kitchen, for under $120, using tools obtainable at your local art and hardware stores. This project seeks to low...
A visual glossary of tools necessary to build the Foamcore CNC is attached to this step as a PDF.
A visual bill of materials necessary to build the Foamcore CNC is attached to this step as a PDF. Also a sample McMaster-Carr order is attached to pro...
You will need: - 1/2" Foamcore - Sharpie or Pencil - C-Thru Ruler The top plate is the key structural component of the Foamcore CNC's XY stage. By th...
You will need: -Olfa Knife -Cutting Board The goal of this step is to cut along the lay out which you created in Step 3. The outer shape will become ...
You will need: - 1/2" Foamcore - Sharpie or Pencil - C-Thru Ruler Use the same layout technique as Step 3 to lay out both the back and bottom plates ...
There are a few trick to cutting out the back panel. The complex-looking slot in the center of the panel can be broken into three separate rectangles...
This is vanilla. Make sure to lay this out on the 3/16" foamcore! NOTE: You'll be laying out six legs, not four (as shown in the picture). The attach...
A few suggestions: Before you cut out the overall layout from the remaining foamcore, cut all of the long edges of the legs. Then separate the legs f...
You Will Need: In this step you will be preparing the delrin strips which will provide strength and durability in key areas of the Foamcore CNC. A c...
This step will deal with laminating the delrin strips onto the top plate. To avoid confusion, separate the strips into three piles: top plate large s...
Using the same techniques as Step 10, and the attached placement guide, laminate the delrin strips onto the back plate.
Refer to the attached structural assembly guide. We'll start by gluing narrow legs to the back plate. The legs must be positioned as shown in the att...
Using the techniques from prior steps, lay out and cut the table struts according to the attached pattern. The only tricky part is the circular hole....
Draw two parallel lines along the machine's table (this was the removed center of the top plate), each 1-3/4" from two opposite edges. Run an aluminu...
You need to cut the following quantities and lengths of wooden dowels: QTY 12: 1/2" DIAMETER x 1" LENGTH QTY 2: 1/4" DIAMETER x 3" LENGTH QTY 1: 1/4"...
This step is a bit of a hodgepodge of various tasks related to the table and its counterspring mechanism. CUT COMPONENTS First, cut out the compone...
Cut out the components in the attached cut pattern. When you cut the six smaller pieces, make sure to mark the word "UP" on the same side of each beca...
CAREFULLY, apply a small bead of superglue to the shaft of the stepper motor. You must keep this glue far away from where the shaft enters the motor. ...
Tight wires wrapped around the aluminum shafts ensure that the shafts are forced to roll rather than slide. The wires are tightened by hose clamps whi...
Insert an aluminum shaft with a mounted stepper motor into one of the struts as shown. Then slide the bushing connected to the constant force spring o...
If the Z table is not flat, you can cut a strip of 3/16" foamcore and an additional 10" square of 1/2" foamcore to create a new leveled table. Put the...
The shuttle is what holds the upper and lower shafts of the XY stage together. We will make a very simple shuttle which you can modify later. Cut ou...
What you attach to the machine is up to you! I've successfully attached pens before and written with the machine, as well as a ketchup extruder (shown...
Unfortunately building a controller is outside the scope of this Instructable. However the stepper motors used by this machine are very low current, ...
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