Bottle tech was limiting me to 5g pucks, or two 5g pucks at a time which was a bit fiddly and required a bit of mindfulness, but I was getting good results using 2x4 bags.
In an effort to make things easier on myself, I got the larger pre press and moved up to 2.5x4.5 bags so that I could do 10g in one puck, also bottle tech. I NEVER found good results with this combo and always had a blowout, sometimes minimal and sometimes it would all go to shit, but never did it come out perfect.
After trying several different companies on bags, I gave up on the 2.5x4.5 bottle tech and got a 2x4 mold from DP, it looks like it is on a tremendous sale right now... if you are considering, now is the time to pick this up:
https://www.dabpress.com/products/dp-pm4007?variant=19756805783625
You put the included plastic plate on the bottom of the pre mold, load with material, and put another plastic plate on top before pressing. The puck comes out of the mold sandwiched between the two plastic plates, and you slide the whole sandwich into a 2x4 bag. I am using 160 and 120 for my current material. A small squeeze against the side of the filter bag and the plastic plates release from your puck and slide right out. I tuck in the end, no special folds, and press.
No worry about a 10g rectangle puck fitting on the plates, it could fit a 30g rectangle puck there is so much space. After the press, I am blown away by seeing NO stress on the bag and seams. I am taking it to what I think are ridiculous pressures, even took it up to 4000 on the gauge just for the hell of it on trim. NO stress at all, nowhere near blowing out.
Efficiency might be down a little bit, but not enough for me to care. I could always go back, fold my pucks and do a second press (but unlikely). The ease of handling and making these rectangle pucks, versus bottle tech, has stollen me to the rectangle side... and not that bottle tech is difficult, but IMO the whole process is just easier and my flow faster and more efficient when I use the rectangle.
I admit, I wonder if I am doing it "wrong". I seem to be the only person on many many threads, that has abandoned bottle tech for rectangle pucks when pressing flower.