Today I would like to show you how the fastest and easiest way to get the housing out of the laser cutter. Some may remember our blog post: First steps with the MP3 module. Back then, old packaging had to be used as a loudspeaker housing.
Today, on Markus' day off, I want to give him pleasure and cut a housing for the project.
I got a fairly cheap one a while ago Laser cutter acquired and converted this for my needs with a lot of time (safety switch etc.)
In order not to have to completely draw the case ourselves, we looked for a template from the Internet. For rectangular housing is www.makercase.com quite recommendable, here is a screenshot:
The parameters on the left of the screen are relatively self-explanatory, we adjust the settings to get a housing of the right size:
We had the best experience with the "Finger" setting. Because our material MDF 3mm we set this under "Material Thickness". After clicking the "Generate Laser Cutter Plans" button, another window opens, we only need the "Vector Cutting" option where we can set the thickness of our laser point (for our device 0.3mm):
After clicking on "Download" we get the file as SVG. The SVG format provides information Vector data to disposal. In contrast to pixel images, this does not consist of individual points, but of lines or coordinates. You can even open the file with a text editor:
This format was developed by Autodesk to ensure easy file sharing. When converting, be sure to enter "mm" as the order of magnitude so that the dimensions are correct.
The CAM software that came with our laser is not a hit, but it delivers reliable results and you can use it to draw and orient simple things. Sufficient for hobbyists, here is a screenshot with imported DXF:
The DXF in the editor looks like this:
The recesses for the speaker and the buttons are still missing:
The CAM software even provides a simulator with:
After cutting, the glued housing while drying:
The holes for the buttons and the speaker fit exactly.
If you feel like cutting more, you should open up www.templatemaker.nl drop by.
Until the next post :)