Small DNA constructs like 4-strand tetrahedrons1 and 6-strand nanopores2 are small constructs typically less than 10 nm that utilize equimolar concentrations of oligos mixed together to form structures typically <10 nm. These structures are widely used for their simplicity.
References
- Goodman, R. P. et al. Rapid Chiral Assembly of Rigid DNA Building Blocks for Molecular Nanofabrication. Science 310, 1661–1665 (2005).
- Burns, J. R., Stulz, E. & Howorka, S. Self-Assembled DNA Nanopores That Span Lipid Bilayers. Nano Lett. 13, 2351–2356 (2013).