When I scoped 4x4 membrane switches as my interface, I planned to use a laser cutter to make overlays with engraved legends. I've switched to 3D printing as my go-to process, but I still have an excellent outline ready to go for the overlay, and black pigment on white printed parts is striking. I had to change my original design because that could use the width of a laser beam to sever wood or plastic, but the printed parts need to have some width to their flexible parts, so I converted the image and centered it up.
The overlay wouldn't fit on my resin printer, so I halved the design and added a countersunk bolt hole that wouldn't interfere with the cable. I recorded the hole locations from my QCAD drawing and used them to add text in OpenSCAD, and I added a rotation variable to flip it around to do the other half of the overlay. I may tack them together, but it shouldn't be necessary. After all the trouble, I wonder if it wouldn't have been better to print the words on a sticky label and adhere it to the top of my membrane buttons.
Left and right side of 4x4 button cover
The rest of the posts for this project have been arranged by date.
First time here?
Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
2021-12-25
The overlay wouldn't fit on my resin printer, so I halved the design and added a countersunk bolt hole that wouldn't interfere with the cable. I recorded the hole locations from my QCAD drawing and used them to add text in OpenSCAD, and I added a rotation variable to flip it around to do the other half of the overlay. I may tack them together, but it shouldn't be necessary. After all the trouble, I wonder if it wouldn't have been better to print the words on a sticky label and adhere it to the top of my membrane buttons.
The rest of the posts for this project have been arranged by date.
First time here?
Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
2021-12-25
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