The field theory of self-avoiding tethered membranes still poses major challenges. In this article, we report progress on the toy-model of a manifold repelled by a single point. Our approach allows to sum the perturbation expansion in the strength g 0 of the interaction exactly in the limit of internal dimension D → 2, yielding an analytic solution for the strong-coupling limit. This analytic solution is the starting point for an expansion in 2 − D, which aims at connecting to the well studied case of polymers (D = 1). We give results to fourth order in 2 − D, where the dependence on g 0 is again summed exactly. As an application, we discuss plaquette density functions, and propose a Monte-Carlo experiment to test our results. These methods should also allow to shed light on the more complex problem of self-avoiding manifolds.