One thing I'm curious of is whether Disney prioritized Anovos stock to supply Galaxy's Edge ahead of preorders. While this doesn't excuse the delays, it would certainly help explain some of them...
No, the Legacy sabers are slightly different. For the Kylo saber, the main blade drops into the socket and twists to lock, whereas the DP saber has the locking ring on the top you have to unscrew.
The GE saber also has socket plugs for when the blades are removed.
I’m waiting to get my DP...
It's not free, but Affinity Designer is an affordable vector design program. They have desktop ($50) and iOS ($20) versions.
One time purchase price - no subscription nonsense.