base: 15% grid infill
lamp holder ( threaded piece): print slow with max 0.15mm layer height to preserve threads.
Join base and lamp holder once e27 bulb holder screwed into place, join with glue
Penguin: 0.8mm wall width. 3% concentric infill, snug supports on, 20 degree threshold, variable layer height. 25% speed above beak. remove infill after printing.
The author remixed this model.
Adapted to accommodate the E27 bulb and bulb holder