This is blog post about making the ‘arena’ for the Something Over The Rainbow challenge.
9mm MDF 2440mm x 1220mm board – £16.80
Corner Brace 40mm – £7.74
3.5 x 12mm screws – £2.88
Blackboard paint – £5.90 (£11.60 as second coat was needed for removing grey quarter circles)
Art Attach PVA glue – kids had grown up sufficiently not to notice half is missing
Total: £33.32 (£39.32 – with second coat of paint)
Start of the build:
Ready for carrying it around:
Checking the size of the arena vs rover:
First, live test…
… has successfully passed – with a hamster!
Putting it all together:
Question: Grey corners or not?
First test of software coloured balls detection (happy path – almost no cheating):
(don’t get confused – camera is mounted at 90º CCW)
Update: Patience is a virtue… So mere couple of hours all was done:
So, here we go again – second coat of paint:
Grey quarter circles: now you see them – now you don’t!
And – over the weekend we discovered that screws on the bottom of the arena have bad habit of damaging furniture (i.e. dinning tables). So, here are finishing touches to address it:
Next step: coding!