Thanks I'll keep that in mind. But You can never have enough toys and are as common as stepper motors are around an everyday home but open up new possibilities. Sure you could build it though, but having a community working as one is progress [image: upload-e686a1bb-bee7-40ab-9001-265fb0b8b34c.jpg] [image: upload-d223980b-d4f3-4d36-80de-6f64eebe0624.jpg]