Nowadays, our company have design many new led items . One is 3D SPI led tube ,which each led is individual , double side , if you have artnet-SPI convert , then they can be control by Madrix , About the length , we have 0.5m,32LEDS/M  1meter ,64LEDS/M , 1.5meter 96LEDS , 2meter ,128LEDS, in current Market , there are 3D dmx led tube , but it is very expensive , In addition , they are not each led individual , so the effection will not be as better as our 3D SPI led tube .  there are video about our 3D SPI led tube , 

https://www.youtube.com/watch?v=Z9MBg1SuLRA