not sure if home builder means radio control airplanes and gliders but ill just put this out here 
microbirds.com

Radio Control Gliders - RC Gliders Radio Control DLG Micro Gliders
Feather² Squared Micro DLG Glider Kit Airplane – Hobby Grade ULTRALIGHT Thermal King In the wonderful world of Radio Control, there has never been an RC Glider this scale/size that will outperform even your greatest expectations. This might be a bold statement but I stand by my designs with...
