Free model tugboat plans, blueprints, drawings, model tug plans, towboat plans. Our candu e-z, the most loved of the mini tugboats! this is a candu e-z! this little beauty’s name is "toot n tug". she was built by roger balling of santa ana. The scale shipyard; catalog; catalog index; hull index; tugs. tugboat kits and semi kits / yacht and sail boats / merchant ships. us navy tugs. 1/96 scale us navy tugs.