davbucci,
@davbucci@mastodon.sdf.org avatar

Last week my , my first computer and still one of my favourite retrocomputers fell on the floor from a shelf. The 40-year old ABS case is brittle and broke right on top of the user and cassette ports. The Run Stop key also fell off 😩

The keyboard with the missing key, the Run Stop.
The key with the broken plunger in my hand.

davbucci,
@davbucci@mastodon.sdf.org avatar

Fortunately, I could find the broken pieces (only two big chunks, plus a small one) and glue them back in place. I'm happy as the repair is barely visible. I used in the past cyanoacrylate glue for ABS with good results, it seems to work quite well in this repair, too. #VIC20 #retrocomputing

davbucci,
@davbucci@mastodon.sdf.org avatar

I'm now using my to obtain a compatible plunger for the broken key. I tried to glue it back but the repair was not strong enough as one piece of the puzzle was lost.

davbucci,
@davbucci@mastodon.sdf.org avatar

After a few failed attempts, this printed plunger seems to fit OK. The repair is almost unnoticeable from above 😊 #VIC20 #retrocomputing

davbucci,
@davbucci@mastodon.sdf.org avatar

If you are interested in the 3D model of the plunger, I found it on Thingiverse and the original authors did a great job: https://www.thingiverse.com/thing:3208313 I had to file a little the portion that fits into the key, so maybe this would have been a better alternative for the #VIC20: https://www.thingiverse.com/thing:2453924

davbucci,
@davbucci@mastodon.sdf.org avatar

The box hinges broke many years ago. I tried to repair them 7 years ago but they broke again. I decided to print a replacement to glue in place. It seems to work well. I will see how it will stand the test of time. #vic20 #retrocomputing The case is yellowed, but it is bearable and I think I will not retrobright it again.

Two clips aligned to hold together the VIC20 case. A third one is also present on the right but it is not visible in the picture.

davbucci,
@davbucci@mastodon.sdf.org avatar

Smoke test: passed! 😊 The keyboard works again and especially the Run Stop key that broke. #vic20 #retrocomputing #repair

A BASIC program stopped correctly.

davbucci,
@davbucci@mastodon.sdf.org avatar

BTW, if you are interested, here is the Thingiverse page about those clips to #3Dprint #VIC20: https://www.thingiverse.com/thing:2984324/files #retrocomputing

davbucci,
@davbucci@mastodon.sdf.org avatar

I updated the page on my website about the restoration of my #VIC20 I wrote in 2017. It allowed me also to provide a feedback of the Retrobright process that I tried 7 years ago: http://davbucci.chez-alice.fr/index.php?argument=varie/vic20restoration/vic20.inc&language=English#update2024 #VIC20 #retrocomputing #PersonalSites

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