Yes. Heat Pipes can be used anywhere there is a hard portion of the mold that is in contact with the plastic. Take that heat and move it back to the ‘cold’ base. Simply drilling holes and installing them into that section of the mold will reduce cycle time and tune up the mold to enable the production of better quality parts. Many people have tuned up their mold by adding many layers of Heat Pipes and benefited from greatly reduced cycle times.