Dragon Egg. As an alternative to the Christmas dragon egg here's a plain one. This also features a flat bottom so it stands. As per the other dragon egg this is also threaded. the pattern should line up perfectly once tightened. The top part of the egg does require supports for the rim. set the top z distance to 0.3 and the egg half will just pull away easily. 0.2 layer. 5-10% infill