Drawing Extruder
by PhxChris
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Go from a black & white drawing to 3D print in just a few minutes using free tools. Great for art classes and more.
I admired the work of [UnpredictableLab](https://www.thingiverse.com/UnpredictableLab/designs) and wanted an easy way of converting 2D black and white line drawings into 3D prints. After some trial and error, I came up with this solution using [OpenSCAD](https://www.openscad.org/).
While you can get cleaner details by importing images into a program like Fusion 360, this script allows you to go from drawing to 3D print in just a few minutes.
The directions are simple.
- Scan your black and white line drawing into your computer.
- Use image editing software (like [paint.net](https://www.getpaint.net/)) and make sure all the lines are connected. Then reduce the image down to no more than about 200 x 200 pixels. The result should be dark black lines on a white background with no transparency like you see in the examples.
- Save the image as a .png file in
I admired the work of [UnpredictableLab](https://www.thingiverse.com/UnpredictableLab/designs) and wanted an easy way of converting 2D black and white line drawings into 3D prints. After some trial and error, I came up with this solution using [OpenSCAD](https://www.openscad.org/).
While you can get cleaner details by importing images into a program like Fusion 360, this script allows you to go from drawing to 3D print in just a few minutes.
The directions are simple.
- Scan your black and white line drawing into your computer.
- Use image editing software (like [paint.net](https://www.getpaint.net/)) and make sure all the lines are connected. Then reduce the image down to no more than about 200 x 200 pixels. The result should be dark black lines on a white background with no transparency like you see in the examples.
- Save the image as a .png file in
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