A friend in the Netherlands asked me to make a few bits for his new giant 144MHz EME array
Turned cones 
The boom supports start off a turned cones 
Tee piece bolted up 
Assembled tee pieces 
Tee piece main bodies 
T piece side spigots 
Spigots to attach GRPO braces to the hardwood supports 
40mm plugs for the ends of the big GRP tubes 
70mm thickwall sleeves 
Mandrels for turning the collars to size 
Collars and spigot pins for the 40mm ID/60mm OD GRP tubes 
Rear extension coupling to vertical 20mm GRP braces 
Clamp collares for the 20mm GRP tubes 
Boom extensions to fit inside 30mm square aluminium booms 
45 degree boom supports in Delrin 
Turning the Delrin