  We give a combinatorial model for F-polynomials and g-vectors for type D
cluster algebras where the associated quiver is acyclic. Our model utilizes a
combination of dimer configurations and double dimer configurations which we
refer to as mixed dimer configurations. In particular, we give a graph
theoretic recipe that describes which monomials appear in such F-polynomials,
as well as a graph theoretic way to determine the coefficients of each of these
monomials. In addition, we give a weighting on our mixed dimer configuration
model that gives the associated g-vector. To prove this formula, we use a
combinatorial formula due to Thao Tran and provide explicit bijections between
her combinatorial model and our own.
