Could you provide with a image of what you want?
you want somethin like a saguaro? or prickly pear?
You can make a pretty good cactus with the octo bricks from the 1 random brick pack.
PricklyYEs but for my needs, I need a cactus brick. I can't make it with invisible bricks holding the floaties.
[im g]http://image.prntscr.com/image/74599d853d4f45ab96824cb7b83b4cbb.png[/img]Would something like this work?