A bit late to the party, but...
In Dullstar's dstar01 Level 3 "Pillars in Space!", it should use the Bubble style, not the Pillar style.
Though I'm not sure if Dullstar intended it to be this way.
The bubble style level is "Attack of the Killer Toddlers" (rank 2, level 1), though this is not completely obvious, because I have removed lots of the decoration on both sides. As far as I can remember, "Pillars in Space!" was meant as a WTF-level, making fun of all the other levels one got by choosing the wrong game mechanics in Lemmix (or by having a different style order in CustLemm).
The Pillar style is in fact intended for that level (hence "Pillars" in Space). I don't quite remember what possessed me to swap the style on Attack of the Killer Toddlers and make a level out of it, but I did.
Nepster: Thanks for converting my levels. It was interesting to play through them again. I have most of the original level files lying around somewhere, but they're very, very disorganized. Some of them are decent levels, so I might be able to improve on them a bit now. Others... kinda suck *cough cough Pillars in Space cough cough*.
I think some of my solutions were backroutes, but by this point I no longer remember what any of the originally intended solutions were