Have a creality HI combo 4colours. Question what would be the average number of times for colour change. Eg ocean liner 200 mm long 3.54 hours print duration using 4 colours I am new to this printer. What is a reasonable number of colour changes for that period.
Hello @Richard_Phillips 
Welcome to the Creality Forum…! 
It really depends on how the colors on each layer are oriented.
For example if you have a cube with horizontal stripes going along the x/y axis:
You will have 4 color changes.
If you have a cube with stripes going vertical like this:
You will have 4 color changes on each layer X the number of layers on the model which can add up quickly.
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