I helped out John Hall making a Trumping Tower Crazy golf hole for the 2019 FON Festival in Barrow. John did all the arty bits while I worked on the electronic internal gubbins.
There were many, many prototypes
I'll skip to the first successful test, because I stopped taking pictures of all the failed attempts!
It took a while to get the ramp size right, and I found out you can flatten a drainpipe nicely with a heat gun.
After a lot of prep we had three great days of play and the trumping tower worked flawlessly throughout.
After a while the heat took it's toll and something occurred we cannot fully explain: