This design offers spray bottle hooks in both single and double versions, suitable for Skadis pegboards. The hooks are designed with two options for mounting:

Integrated Hooks: These require supports when printing and are recommended for lighter bottles. For added strength, you can print them on their side, but this will need more supports.

T-Nut System: This option uses M2.5 button head bolts and is suitable for heavier bottles. It's easier to print as it doesn't require supports. Will also require the T-Nuts available here:
https://www.printables.com/model/228663-skadis-t-nuts-mounting-system-for-ikea-skadis-pegb