Prior to earlier design http://www.thingiverse.com/thing:1101777, I had received excellent recommendations to enhance the spool holder on holding 1KG weight for better angle adjustments in countering sag weight for any people who prefer flexibility to tilt. Height blocker has been increased and the grip underneath has been widened to allow even increased spacing. You may add friction tabs at the rounded legs in accordance to your choices.

If you like the design and you would like to donate as an appreciation, you can paypal any amount to daveth26@singnet.com.sg for supporting my continual research test materials. Hope you all like it!