HIPS filament is both soluble and viable for 3D parts -
Properties of ABS, PLA, and HIPS. | Download Table
Hips Filament Glow In Dark 3mm | IFFStore
Professional 3D Printer Filaments PP PE PETG PLA ABS HIPS Carbon Fiber on Sale - China PLA ABS PETG 3D Printer Filament, 1.75 mm Filament | Made-in-China.com
Amazon.com: Gizmo Dorks 1.75mm Hips Filament 1kg / 2.2lb for 3D Printers, Blue : Industrial & Scientific
Ultimate Materials Guide - Tips for 3D Printing with HIPS
Source A Wholesale hips filament For Any Use - Alibaba.com
Dual material 3D print with PLA and HIPS by ShapingBits - YouTube
On the 3D printing of recycled ABS, PLA and HIPS thermoplastics for structural applications | Emerald Insight