A novel concept, sustainable development, has come to be considered important for preventing the intensification of climate change. Thus, there have been many reports on the environmental load of consumer goods such as home electronics and car electronics. Specifically, there have been no reports on the environmental load of compact five-axis controlled machine tools or how to use them. Specifically, there have been no reports on the environmental load of compact five-axis controlled machine tools and how to use linear and rotational axes in them. Moreover, we also look at 3R actions, which mean reduction and reuse, and we especially consider that reduction is the most effective for environmental preservation in 3R actions. Therefore, we attempted to shrink machine tools, namely compact five-axis controlled machine tools, to reduce their environmental load in terms of energy and resources. Moreover, we developed an idling reduction system that cuts off power to a servo lock at the stopping motion axis in the machining operation. Previous studies have shown that switching the idling-stop function on and off during cutting is undesirable for saving power. Therefore, we propose a method of supplementing the motion of the idling-stop axis with other turning and straight axes. This is expected to increase the power-saving effect of the idling-stop function. The aim of this research is to put the new method into practical use, perform long-time, wide-area flat cutting, and investigate the cutting conditions that provide the greatest power-saving effect.