So, I've recently gotten back into Test Chamber development in Portal 2. Three new chambers up in the past four days. Please give them a try, rate, and comment!
http://steamproxy.net/id/psn_markm1978/myworkshopfiles/

I have a new chamber up, and it's a thinker!
iX's Juggler's Jinx: http://steamproxy.net/sharedfiles/filedetails/?id=286768394&tscn=1405485348

I designed a new timing map design to be fun. It's not difficult to solve, in spite of the title's implication. It's challenge is in accomplishing what you know you must do. Please rate and comment.

iX's Antline Anarchy: http://steamproxy.net/sharedfiles/filedetails/?id=284715320

New chamber up! More like, three new chambers, one test! Give me your impressions!
iX's Treacherous Chamber Trio: http://steamproxy.net/sharedfiles/filedetails/?id=281352984

I have a new chamber up as of today! It's a precision map that will test your resolve! Please give me feedback on your impressions in comments!
iX's One Bridge To Rule Them All: http://steamproxy.net/sharedfiles/filedetails/?id=280733826

Two new chambers up, after a number of months off!
iX's It's A Secret To Everybody: http://steamproxy.net/sharedfiles/filedetails/?id=277464297
iX's Fleetfotted & Fancy-free: http://steamproxy.net/sharedfiles/filedetails/?id=279146980