No supports needed! Scale as big as you want!
Made from red/gold silk https://www.amazon.com/gp/product/B08QN2PCG1/
and blue/silver silk https://www.amazon.com/gp/product/B0BKFKGQKK/
----Shameless Cross Promotion Below----
Get the single cluster here https://www.printables.com/model/417129-crystal-cluster
Get the GIANT Cluster here: https://www.printables.com/model/442857-giant-crystal-cluster/files
Wall Version- https://www.printables.com/model/420380-crystal-wall