If the quantity is relative large, the new molds are suggested to be made.It can make more accurate products.
After spreading mold cost to each disc, one unit cost won’t be changed a lot due to the large quantity.
Moreover, the manufacturer will maintain the mold regularly. If it’s broken in the future, then they will make new mold for you freely.
If the quantity is small and accuracy requirements are not strict, using scissors may be a better choice.
If no, laser cutting may be a good selection.
