Looking at your earlier post, don't worry too much about the shape of the shoots. Most shoots start out round and then flatten out, some will shoot from the top or sides of the cutting, others will shoot underground and come up along side the cutting. Some branches might be flat, some might be triangular shaped depending on the variety. As long as the growth is nice and healthy they will do their thing.
If you get buds on your cuttings best to remove them. Cutting needs all its energy to grow roots.
