There is a pressing need for the design of a miniaturized Hot Isostatic Pressing (HIP) chamber for our parent company SpiTrex Orthopedics, which is crucial for enhancing 3-D printed medical implant additive manufacturing processes. Utilizing up-to-date information on pressure vessel technology, a vessel was designed in order to withstand pressures of up to 14,750  250 psi and temperatures of 1650  25 ºF, which are the optimal parameters for a HIP cycle being done on the titanium alloy Ti-6Al-4v that is utilized by SpiTrex for their 3-D printing. The final designs were drafted in Fusion 360 and SolidWorks while taking into consideration future implementation of the heating, cooling, and auxiliary systems into the design. Finite element analysis, via Fusion 360, was done to assess the design performance under the required operating pressures and demonstrated that our current design was successful at doing so. Future work could extend to improving pressure vessel design and achieving higher factors of safety, further research and implementation of the HIP heating, cooling, and auxiliary systems, and design of an automated HIP cycle via the use of a controls system engendered through our foundational theoretical simulation.