Hearts for All – CNC Project

To start this project, I first downloaded an SVG file from thenounproject website. I found a simple illustration of 2 hearts that I wanted to make. I first started by setting up my piece with the appropriate dimensions using the menu as shown in Figure 1.

Figure 1: Setup Menu

I imported this illustration into Carbide Create on my computer and drew a box around it. I implemented the pocket tool path to carve out the hearts and the contour tool path to cut the box around it as shown in Figure 2.

Figure 2: Setting tool paths

I exported this as a C2D file. Then during my tutorial, I first started by adding tabs to the piece so I would stay in place and then I edited the piece thickness after measuring with calipers. Next, I recreated the tool paths and saved the g-code needed for Carbide Motion. I sent the job to Carbide Motion and first homed the zero to the bottom left of the piece visually by jogging the toolhead. Then I began the job and the resulting piece is shown in Figure 3.

Figure 3: CNC piece

I then sanded the piece with an orbital sander as shown in Figure 4.

Figure 4: Sanding

To finish post processing, I stained the piece as shown in Figure 5.

Figure 5: Staining

Finally, the piece was completed. Here is a cost summary:

Cost Summary

Cost Type Cost Price Source Quantity Total
Materials Wood $0.0139/square inch Home Depot 30 square inches $0.42
Finishing Oil $0.62/oz Home Depot 4 oz $2.48
Labor Prototyping Engineer (You!) free free 1 engineer $0
Equipment CNC machine $125/hour Deburring Technologies 1 hours $125
Total $127.90
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