Way to create rectangle marker?

[AIMPED]

Here an example:

Help with a Heatmap Graph

Hi @fnnepali , maybe a scatterplot? I am aware that I am responding in Python, but maybe it gives you some ideas. Adjusting the axis ranges, figure dimensions and marker size may be a bit cumbersome, though. You will also have to find a solution for coloring each marker to your needs. import plotly.graph_objects as go import numpy as np cat_num = 5 # set number of types type_num = 20 # create data categories = [] for i in range(1, cat_num + 1): categories.extend([f'category_{i}'] * type_…