Super-glue some magnets in stacks to the floor on the inside of the model to keep them from being displaced.
I use 1 x 5 mm disc magnets, usually 25-30 magnets in 5-6 stacks will make it strong.
Filament swap guide:
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Baie-Comeau Drakkar
0.1mm/L
8 % infill
0 - 96 - Red
97 - MAGNETS
97 - 105 - Black
106 - 110 - Blue
111 - 115 - Gold
116 - 120 - Red
121 - 125 - White
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Blainville-Broisbriand Armada
0.1mm/L
8 % infill
0 - 96 - Black
97 - MAGNETS
97 - 100 - Black
101 - 105 - White
106 - 110 - Grey
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Cape Breton Screaming Eagles
0.1mm/L
8 % infill
0 - 96 - Black
97 - MAGNETS
97 - 100 - White
101 - 105 - Black
106 - 110 - White
111 - 115 - Silver
116 - 120 - Dark Grey
121 - 125 - Gold
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Charlottetown Islanders
0.1mm/L
8 % infill
0 - 96 - Tan
97 - MAGNETS
97 - 101 - Tan
102 - 105 - White
106 - 110 - Black
111 - 115 - Tan
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Chicoutimi Sagueneens
0.1mm/L
8 % infill
0 - 96 - Navy
97 - MAGNETS
97 - 100 - White
101 - 105 - Navy
106 - 110 - Light Blue
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Drummondville Voltigeurs
0.1mm/L
8 % infill
0 - 96 - White
97 - MAGNETS
97 - 100 - White
101 - 105 - Black
106 - 110 - Grey
111 - 115 - Red
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