That's called R&D, Research and Development. As long as you learn from a failure, it is progress towards success.
Awesome! It looks sturdy! On the store version the bed is held in place with velcro, with one side stapled to the wood. This works well to keep the bed in place.
It's not actually DIY, though it could have been. This is the store link with more pictures and specs: https://www.zooplus.nl/shop/katten/krabpaal_krabmeubels/natural_paradise/wandmeubels/537547
I use OneCalendar, it works with a lot of email/calendar hosts, looks good, and is very responsive.
Alternatively, Thunderbird has a calendar feature built-in.
(Edit) failed to see which community this was, OneCalendar is sadly not open source.
@zarlin
@lemmy.world