a bioelectronic device and method of making is disclosed . the device includes a scaffold formed via 3d printing . the device also includes a biologic and an electronic device formed via 3d printing , the biologic and electronic device being interweaved with or coupled to the scaffold . the electronic component may e . g ., include at least one of hard conductors , soft conductors , insulators and semiconductors . the scaffold may be formed of at least one of synthetic polymers and natural biological polymers . the biologic may include at least one of animal cells , plant cells , cellular organelles , proteins and dna .