My week started with a new project, but one that didn't get far. I
wanted to make a xylophone on the laser cutter so I could wreck some
parts without feeling bad about destroying a usable instrument. I did
some looking, and I knew I would have to cut the profile of each note,
so I made a variety of shapes in CAD with different properties, but the
same length.
I cut them from a scrap of 1" lumber, but the wood was so thick that I scorched the heck out of the edges. When I arranged them, I couldn't get any good sound. Perhaps laminating strips of wood or plastic would work, but I cannot get to the laser cutter at the moment.
The PillarGame I built for the hackathon was in pieces, and one of my teammates helped me get it back together. Unfortunately, the biggest takeaway was another fire, but we fixed that problem with a design change.
At work, we got face masks, but they had long ribbons instead of elastic bands, so it was a hassle to wear. I sketched a buckle that I could print at home and held together with magnets.
The modeling went well. I only needed about fifty lines of code, and that was generous instead of streamlined. For the first time, I tried out the max() function in OpenSCAD to ensure my edges would always line up, even if I had a large magnet or wide straps.
I measured my magnets and ribbons to render a 1:1 model and printed a pair. Once they were cool, I used super glue to add the neodymium discs and fished my straps through the buckles. It took some effort to get it adjusted the first time, but after that, it was a simple matter to wear or remove the mask.
The rest of the summary posts 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
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.
Notes in CAD
I cut them from a scrap of 1" lumber, but the wood was so thick that I scorched the heck out of the edges. When I arranged them, I couldn't get any good sound. Perhaps laminating strips of wood or plastic would work, but I cannot get to the laser cutter at the moment.
Charred lumps which should have been notes
The PillarGame I built for the hackathon was in pieces, and one of my teammates helped me get it back together. Unfortunately, the biggest takeaway was another fire, but we fixed that problem with a design change.
Charred plastic that should have been a light pillar
At work, we got face masks, but they had long ribbons instead of elastic bands, so it was a hassle to wear. I sketched a buckle that I could print at home and held together with magnets.
Cumbersome facemask
The modeling went well. I only needed about fifty lines of code, and that was generous instead of streamlined. For the first time, I tried out the max() function in OpenSCAD to ensure my edges would always line up, even if I had a large magnet or wide straps.
Printable buckle model
I measured my magnets and ribbons to render a 1:1 model and printed a pair. Once they were cool, I used super glue to add the neodymium discs and fished my straps through the buckles. It took some effort to get it adjusted the first time, but after that, it was a simple matter to wear or remove the mask.
Project page on Thingiverse
The rest of the summary posts 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
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.
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