I printed the pumpkin in Transparent PETG orange.

The stem is printed in PLA (skin color) 

https://www.amazon.com/dp/B08MT383NM?psc=1&ref=ppx_yo2ov_dt_b_product_details

Used Boolean feature of NetFabb to create a perfect fit.

Printed on MK4 with Firmware (Release Candidate 1 of 5.0.0)

0.2 layer

0.4 nozzle