Fabrication of very porous scaffold for regeneration of highly metabolic organs is
reported. Polycaprolactone (PCL) powder was mixed with fine salt grains as filler and
SLS processed to develop a model including fine flow channel network. The fabricated
model was rinsed with water to dissolve the salt, and high porosity of 90% was
successfully obtained. Additionally, residual powder in the channels was effectively
removed by solution of the filler. Through micro-CT observation, it was confirmed that
channels of which diameter was smaller than 1mm were successfully fabricated and
repeating branching and merging. Result of culture test is also reported.Mechanical Engineerin
