Raspberry Pi OS

Install the FLTK runtime dependencies:

  1. In a terminal run the command:
sudo apt install libfltk*1.3 python3-opengl

Install pyFltk

Option 1

  1. Download the rpi .deb file for Raspberry Pi OS (Bullseye) from the sourceforge website. Or simply download it from the button below.
Get pyFltk
  1. After downloading, run the following command in a terminal
sudo dpkg -i pyFltk-1.3.7-1_rpi_bullseye_armhf.deb

Option 2

  1. Type the following command into a terminal
pip3 install pyfltk