Lithoplane keychain new Round shape

step - 1

Print the both stl file attached

step -2

download the black image which is also attached in the folder and place your image on it and edit as per your requiement this image will show on your litho cylinder

step - 3

go to the link
https://lithophanemaker.com/Curved%20Lithophane.html
setting up as per below

in the Upload your images section upload only one image upload the edited image

Do you want a frame?
-No frame

Lithophane Resolution (mm/pixel):
-0.1mm

Height (mm):
-30mm

Angle (deg):
-360 degree

Maximum Thickness (mm):
-2mm

Picture Spacing (mm):
-0mm

create stl thats it...

step - 4

once you have printed all the things

glue together and place the ballon light in the cavity

thank you....